13697 posts · Joined 2008. #15 · Sep 9, 2010. I stand corrected, no torque to yield bolts on lt1. What threw me off was, the 97 manual tells you to torque to a certin value, then turn long bolts 80 degrees and short bolts 67 degrees. Since they didn't say to put new bolts in, they are not torque to yield. Like.Learn how to torque the head bolts of the 6.0 LS engine according to the recommended specifications. Follow the step-by-step guide to ensure proper installation and sealing of …Well I found this while looking for the torque specs for LS3-L92 heads. Its a complete list of all the torque specs for Gen IV 6.2L engines. Seems to be straight off the service manual for Gen IV motors, specifically Corvettes, LS3/7. Got it from Pace Performance so credit to them. Hope it helps and saves some search time. -NateSarah Buhr speaks with Nathan Jauvtis about his company Bolt and the electric motorbikes they manufacture by hand in their San Francisco garage. Sarah Buhr speaks with Nathan Jauvt...Pick up a Haynes manual for that year. The head torque sequence is important and there is no specific torque number. The Haynes manual will show you how to use a dial torque gauge, as the head bolts are rated in degrees of stretch instead of ft-lbs. This is the torque sequence, look up and purchase the dial gauge as well.06-27-2013, 06:34 AM #1. konigandy6. Your dealership guy. Join Date. Aug 2007. Location. USA. Posts. 6,565. Velocity Yellow. 2008 Corvette Z06. Torque specs for LS1 motors. …2004 LS 180 turbo 332T/JF engine bolt torque specs. Thread starter ... Is there anywhere on line I can get the torque specs for the bolts? thanks Willi . Reply. Sep ...Aug 29, 2022 · The 5.3 liter LS-series engine was offered from 1999-2014 and has a 3.78” bore x 3.62” stroke. The block was offered in both cast-iron and aluminum with aluminum cylinder heads. Camshaft specifications varied depending on the year and RPO code of the engine. Object moved to here. Enter your kit number in the field below and click “Submit.”. Important: if you have an aftermarket connecting rod with an ARP bolt, please use the chart below to contact the rod manufacturer for the stretch/torque value. The calculation of those values is solely up to the rod manufacturer. click here to contact our customer service desk.)I'm in the process of rebuilding an aluminum block 5.3 (factory code L33) out of a 2006 GMC 2500, and my machine shop is looking for specs on the head bolt torque values prior to installing the deck plate and honing the cylinders. I've only been able to find one published spec for the heads bolts on the 5.3, which is 22 ft pounds first pass, 90 ...The third generation (LS1 and LS6) LS head bolt torque starts with bolts 1 to 10 and is 22 ft-lb for the first pass, 90° for the second pass, 90° for bolts 1 to 5, 50° for …2016 sierra 5.3L head torque. i have a 2016 gmc sierra slt v8 5.3L i just replaced the lifters and i can not find the head torque specs or pattern anywhere. is there anyone who can help me PLEASE! All the normal bolts are 59 lbft then 90 degrees and then 60 degrees. The drivers side Allen bolt is 59 lbft then 90 and then 40.Cylinder Head Bolt Style: Torque to Yield (TTY) Cylinder Head Bolt Size (1997-2003) (8) M11 x 2 x 155, (2) M11 x 2 x 100, (5) M8 x 1.25 x 45. ... LS1. Throttle Body: 78mm, 3-Bolt. Throttle Control: Corvette = Drive By Wire, F-Body / …Importance of Properly Torquing Bolts, Torque Sequences and Online Lookup. Fel-Pro, ASE Certified Master Technician, John Gurnig explains the importance of following the correct torque sequence when removing a cylinder head and reinstalling it after head gasket replacement. He demonstrates how to find the proper torque …Flywheel to Auto Torque Converter Bolt / 44 Generator Bracket Bolts / 37 Generator Rear Bracket to Engine Block Bolt / 18 Generator Rear Bracket to Generator Bolt / 18 Ground Strap to Cylinder Head Bolt / 37 Ignition Coil Bolts / 106 INCH #'s Ignition Coil Wire Harness Connector Bolts / 106 INCH #'s Intake Manifold Bolts (1st pass in Seq.) / 44A substantial upgrade from OEM torque-to-yield (TTY) rod bolts that can only be used once, ARP ® offers both “Hi-Performance Series” bolts made of 8740 chrome moly steel and are nominally rated at ... 100-7524 – Black oxide (hex head) valve cover bolts for LS Series w/0.375" spacer 100-7523 – Black oxide (12-point head) valve cover ...When it comes to automotive maintenance, one of the most crucial aspects that should never be overlooked is following torque specifications. Torque specifications refer to the amou...333. black. 02 ss camaro. 15 mm bolts first pass torque of 22 ft/lbs. 2nd pass of 90 degrees on the 15 mm bolts. 3rd pass of 90 on the 15's except fot the 2 on the outside of the head under the valve cover...only 50 degrees on the 3rd pass for those 2 bolts. Then torque the 10 mm bolts to 22 ft/lbs.Black Devil. 18532 posts · Joined 2005. #12 · Aug 23, 2008. 2 step tourqe. Fist step is 15 ft-lbs, second step is 18 ft-lbs. I used stock bolts and added 8mm lock washers. A little anti seize on the tips of the bolts, and all set. And as said above, retourqe once one heat cycle is complete. 6 - 4 - 2 - 1 - 3 - 5.Summit Racing™ Cylinder Head Bolt Kits SUM-910211 SUM-910211. 4.25 out of 5 stars. Part Number: SUM-910211 Estimated Ship Date: TodayMay 6, 2020 · 10. Tighten the cylinder head bolts. 10.1. Tighten the M11 cylinder head bolts a first pass in sequence to 30 N.m (22 lb ft). 10.2. Tighten the M11 cylinder head bolts a second pass in sequence to 90 degrees. 10.3. Tighten the M11 cylinder head bolts (1-8) to 90 degrees and the M11 cylinder head bolts (9 and 10) to 50 degrees a final pass in ... Torque Arms & Subframe Connectors. Transmission Mounts & Braces. Wheels. SUSPENSION AND CHASSIS. Anti Roll Bars \ Swaybars. Bushings & Braces . ... ARP 2000 SERIES HEAD BOLT SET - 2004+ LS ENGINES - 234-3602 . WILL SHIP DIRECTLY FROM MANUFACTURER ESTIMATED SHIP DATE: TBD. $171.14. Add to Cart . POINT …Print. Chevrolet LS Gen. 4 Aluminum Block Torque Specs. Views: The following specs apply to RPO codes: LS2. LS3. LS4. LH6. LC9. L92. Etc. **Click the blue links in the …Learn how to torque the head bolts of the 6.0 LS engine according to the recommended specifications. Follow the step-by-step guide to ensure proper installation and sealing of …Camshaft Retainer Bolts – Hex Head Bolts 25Y 18lbft Camshaft Retainer Bolts – TORX® Head Bolts 15Y 11lbft Camshaft Sprocket Bolts 25Y 18lbft Clutch Pressure Plate Bolts 70Y 52lbft Connecting Rod Bolts – First Pass 20Y 15lbft Connecting Rod Bolts – Final Pass 85degrees Coolant Air Bleed Pipe and Cover Bolts 12Y 106lbinTorque Efficiency. Compared to sbc head bolts vs. studs, head studs can be tightened without applying the clamping force. ... So, there is no “ls ARP head bolts vs. studs'' kind of questions valid here. For example, when ARP makes hex nuts, the process is so precise that the product turns out with an accuracy of 0.001 inches! That's ...Jan 14, 2009 · 333 posts · Joined 2008. #5 · Jan 14, 2009. Just an FYI for those need new head bolts. You can buy the ARP head bolts, and you don't have to do any of that angle TQ'ing crap. Just 3 passes of TQ and she's done. There's about $100 more but not having to TQ angles is worth it to me. This is an older thread, you may not receive a response, and ... When it comes to fastening two objects together, cap head bolts and cap head screws are two popular options. They both have a similar appearance, but they differ in their applicati...The Ultimate Short-Block Assembly Guide for LS1-LS4 Chevy Engines. When assembling an engine, a certain sequence needs to be followed. Don’t make any assumptions, as every detail must be checked. Let’s start with your expectations, power-wise, budget-wise. You must remain realistic, as a 700-hp nitrous bullet with cast pistons and stock ... Find the torque specifications for various LS engine parts and bolts, including cylinder head bolts, connecting rod bolts, crankshaft bolts, camshaft bolts, and more. The web page lists the torque values for each bolt in different passes and sequences, with a table of values and a diagram. Install the new Right/Left cylinder head gasket onto the locating pins. 6. Install the cylinder head onto the locating pins and the gasket. 7. Install (not tighten) the M11 cylinder head bolts. 8. Apply a 5mm (0.20 in) band of thread-lock GM P/N 12345382 or equivalent to the threads of the M8 cylinder head bolts. 9.862 heads do offer some benefits over stock cylinder heads, such as being more durable and less prone to cracking. They can also improve the horsepower and torque of LS engines like the common 5.3L and 6.0L variants, especially with the right supporting mods, such as camshafts, intake manifolds, headers, and tuning.With 862 heads, these …Step-by-Step Guide for Head Bolt Torque. To properly torque the head bolts on your 5.3 Chevy engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the bolt holes in the engine block using a thread cleaner or a wire brush. This will ensure a clean and accurate torque reading. 2. Apply a small amount of engine oil to ...Steps to Torque ARP Head Bolts on LS Engines. Clean the threads of the head bolts and the tapped holes in the engine block using a suitable cleaning agent. Apply a small amount of engine oil or assembly lubricant to the threads and washer face of each head bolt. Start threading the head bolts into the engine block by hand, ensuring they are ...Torque its retaining bolt to 18 ft-lbs. Make sure you are using the correct sensor for your engine and computer: black sensors are for 24X reluctor rings, while … Cylinder Head Bolts, High Performance Series, Hex Head, ARP 2000, Black Oxide, Same Length Bolts, Includes Washers and Lube, Chevy, LS, Kit. Part Number: ARP-234-3602 5.0 out of 5 stars The Ultimate Short-Block Assembly Guide for LS1-LS4 Chevy Engines. When assembling an engine, a certain sequence needs to be followed. Don’t make any assumptions, as every detail must be checked. Let’s start with your expectations, power-wise, budget-wise. You must remain realistic, as a 700-hp nitrous bullet with cast pistons and stock ... 5.3 LS Head Bolt Torque Specs. To ensure the proper installation and sealing of the cylinder head on the 5.3 LS engine, it is important to follow the recommended torque specifications for the head bolts. The torque specifications are given in both foot-pounds (ft. lbs.) and Newton meters (Nm). Refer to the table below for the specific torque ... Each requires a different tightening method. These OE bolts require a torque-plus-angle. method, while aftermarket fasteners require only a torque value. Also, since the OEM …LS7 Torque Specs - Pace PerformanceTighten the head bolts in the following sequence. Tighten bolts 1 through 10 to 65 lb-ft. Tighten bolts 1 through 10 to 95 lb-ft. Tighten bolts 1 through 10 to 135 lb-ft. Tighten bolts 1 through 10 to 180 lb-ft. Tighten bolts 1 through 10 to 210 lb-ft. Tighten bolts 11 through 15 to 24 Nm (18 lb-ft). Tighten bolts 11 through 15 to 31 Nm (23 lb ...2. Crankshaft Balancer Bolt - (with Flanged Head) Final Step. 125 degrees. Crankshaft Balancer Bolt - (with Retained Rotating Washer) Final Step. 200 degrees. Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence. 20 N·m. 15 lb ft. Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence.Part Number: 234-4341 Application: Dart LS Next, iron block, 23 bolt head NOTE: The following torque recommendation is based on the stud capability only. ... To ensure proper thread engagement and accurate torque readings, clean all threads in the block. Chase if necessary with ARP Thread Chaser, part number 911-0003 (3/8-16), 911-0004 (7/16-14 ...The machine shop that did my heads recommended straight non-detergent 30w oil. However, having ready Gerry's thread about how he broke an ARP bolt using 30w as lube I opted to locate some ARP assembly lube. I spread a little bit under the head bolts, washers and a tiny bit on the threads as the instructions said and had no issues with …Find the torque specifications for various LS engine parts and bolts, including cylinder head bolts, connecting rod bolts, crankshaft bolts, camshaft bolts, and more. The web page lists the torque values for each bolt in different passes and sequences, with a table of values and a diagram.First pass 25lbft second pass at 50lbft, and finally a 3rd at 70lbft. Finally install the 5 smaller ARP bolts and torque them to 22lbft. If using motor oil use this: First pass 30lbft second pass at 60lbft, and finally a 3rd at 80lbft. Finally install the 5 smaller ARP bolts and torque them to 28lbft.The LS3 head bolt torque sequence starts by torquing the M11 bolt with 22 lb-ft force, then rotating it to 90°, and torquing the M8 bolt with 22 lb-ft force. LS3, or Gen 4 LS head bolt torque, refers to a specific type of V8 engine in the General Motors (GM) LS engine family. Like with LS1 head torque specs, you should follow this flow when ...Rated 4 out of 5 by Turbotommy 55 from Arp headbolts ls engine Was told by a few engine rebuilder and ls racers that arp head bolts would work for 400 horse power. But any more horsepower then that they would use arp studs .the arp …Feb 16, 2017 · Head Retaining Bolt 12Y 106lbin Coolant Temperature Sensor 20Y 15lbft Crankshaft Balancer to Crankshaft Retaining Bolt • First Pass 150Y 110lbft • Second Pass Loosen360Degrees • Third Pass 80Y 59lbft • Fourth Pass(Bolt with flanged head.) +125Degrees • Fourth Pass(Bolt with retained rotating washer.) +200Degrees Tighten the M11 cylinder head bolts (1-8) to 90 degrees and the M11 cylinder head bolts (9 and 10) to 50 degrees a final pass in sequence using J 36660-A . Tighten the M8 cylinder head bolts (11-15) to 30 N·m (22 lb ft). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.Part Number: 234-4341 Application: Dart LS Next, iron block, 23 bolt head NOTE: The following torque recommendation is based on the stud capability only. ... To ensure proper thread engagement and accurate torque readings, clean all threads in the block. Chase if necessary with ARP Thread Chaser, part number 911-0003 (3/8-16), 911-0004 (7/16-14 ...LS head torque is simple in ft-lbs, while the second and third passes’ cylinder head bolt torque is degrees. Spin the bolt clockwise 90° or 1/4 turn if the torque standard is 90°. A degree torque wrench or standard wrench degree dial is needed for accuracy.2004 LS 180 turbo 332T/JF engine bolt torque specs. Thread starter Willi; Start date Sep 13, 2009; Help Support SkidSteer Forum: Sep 13, 2009 #2 W. ... I am rebuilding my 332T/JF engine and need bolt specs for the engine. Is there anywhere on line I can get the torque specs for the bolts? thanks Willi . Reply. Sep 13, 2009 #3 T. Tazza …LS1 Cylinder Head Specs. 1997-1998 Casting Numbers (Perimeter Valve Cover Bolts) 10215339, 12550592, 12558806. 1999-2004 Casting Numbers (Center Valve Cover Bolts) 12559853, 12558805, 12560621, 12562174, 12564241. Material.This particular block is the 2/2004 & later style that requires (10) 4" medium head bolts for each cylinder head. This cylinder block does not use 6" long bolts as required for the early style block. Head Bolt Torque (for OEM head bolts only, if using performance bolts/studs refer to the manufacturer’s specifications): refer to the diagram ...Importance of Properly Torquing Bolts, Torque Sequences and Online Lookup. Fel-Pro, ASE Certified Master Technician, John Gurnig explains the importance of following the correct torque sequence when removing a cylinder head and reinstalling it after head gasket replacement. He demonstrates how to find the proper torque …I need some help deciding the torque pattern for my LSX head. GM Performance was unable to provide me the information, I've searched around with no luck. It's my opinion to torque the eight M8 bolts that surround the cylinders in conjunction with 1-10 M11 bolts prior to the top five M8 bolt locations? Any suggestions would be much …Part Number: 134-3610 & 134-3710 Application: Chevy Gen III LS Series (2004 & later) 8740. Inspect all hardware prior to installation. Look for obvious defects or shipping damages. Please call 800-826-3045 with any questions or issues. To ensure proper thread engagement and accurate torque readings, clean all threads in the block.arp head bolt torque. Has anyone used this method of tightening head bolts? This excerpt is from arp's website. 1. The friction factor changes from one application to the next. That is, the friction is at its highest value when the fastener is first tightened. Each additional time the fastener is torqued and loosened, this value gets smaller.What is the Torque Specs for Ls Head Bolts? When it comes to LS head bolts, the torque specs can vary depending on the application. For most applications, the general rule of thumb is that you should torque your LS head bolts in three stages: first at 30 ft-lbs., then at 45 ft-lbs., and finally to a final torque value of 70 ft-lbs.. It’s ...The oil pump assembly should be tightened down to the engine block using 18 ft-lbs. The pumps cover bolts can be installed after lubing up the oil pump gear. The oil pump cover bolts torque down to 8 ft-lbs. On the bottom end of the pump the pickup tube can be installed and torqued down to the pump using 8 ft-lbs. Object moved to here. I feel like HEADER bolts shouldn't be that high. I think stock torque spec is around 26 ft-lbs. 2000 Lexus GS 300-85,000 miles, daily driver. 1995 Camaro Z28 - 190,000 miles original motor, newly rebuilt heads w/ valve job, M6, mid-length headers, 1.6rr, intake elbow, CAI, air foil, MSD blaster coil, TB bypass, 160* thermostat, flowmaster.Object moved to here.Object moved to here.When it comes to automotive maintenance, one of the most crucial aspects that should never be overlooked is following torque specifications. Torque specifications refer to the amou...Showing how I verified the applied torque to achieve the 15# plus 85 degree tightening method. Discussed the factory tightening procedure, clamping force, bo...With T-T-Y head bolts, the Torque-To-Angle Indicator (Part Number TRQ-1) should be used in conjunction with a torque wrench to achieve proper bolt loading. While the head bolts are being torqued to the specified value, the technician can use the TRQ-1 tool to accurately measure the degrees of additional rotation required. This eliminatesApr 18, 2015 · Torque each bolt initially to 15 ft-lbs. Then install your torque angle gauge and give each bolt an additional 75 degrees of twist. Mark on or near the bolt so you know you’ve tightened it, then ensure the rod can slide back and forth on the crank journal (if not, the rod bearings may be crooked). DGAP Total Voting Rights Announcement: LS telcom AG / Total Voting Rights Announcement LS telcom AG: Release according to Article 41 of the Wp... DGAP Total Voting Rights Announce...Aug 1, 2014 · Bolts Not under rocker cover are M8. Cylinder Head Bolt Torque: Step 1 : All bolts M11 and M8: 30Nm. Step 2 : M11 bolts a further 90 degree turn. Step 3 : M11 bolts 1-8 a further 90 degree turn. Step 4 : M11 bolts 9&10 a further 50 degree turn. Sometimes i feel like my life is going nowhere....But then i start my V8. The LS head bolt torque sequence is as follows: Step-by-Step Guide. Start by tightening the head bolts in the following sequence: 1, 2, 3, 4, 5. Using a torque wrench, tighten bolt number 1 to 22 ft. lbs. (30 Nm). Proceed to bolt number 2 and tighten it to 37 ft. lbs. (50 Nm). Tighten bolt number 3 to 37 ft. lbs. (50 Nm).The machine shop that did my heads recommended straight non-detergent 30w oil. However, having ready Gerry's thread about how he broke an ARP bolt using 30w as lube I opted to locate some ARP assembly lube. I spread a little bit under the head bolts, washers and a tiny bit on the threads as the instructions said and had no issues with …To properly torque the head bolts on the 2008 Chevy 5.3 engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the bolt holes in the engine block to ensure proper engagement. 2. Apply a small amount of …First pass 25lbft second pass at 50lbft, and finally a 3rd at 70lbft. Finally install the 5 smaller ARP bolts and torque them to 22lbft. If using motor oil use this: First pass 30lbft second pass at 60lbft, and finally a 3rd at 80lbft. Finally install the 5 smaller ARP bolts and torque them to 28lbft.Thread: LS1 Head bolt torque settings. Thread Tools. Show Printable Version; 05-31-2008, 09:17 PM #1. Gav. View Profile View Forum Posts View Blog Entries
To summarize and simplify the above information, the lifter tray bolt torque for LS1, LS2, LS7, LS9, and LSA engines is 108 in-lb or 8.3 ft-lb. The lifter tray bolt torque for the remaining LS2, LS3, and LS4 engines is 89 in-lb or 7.4 ft-lb. Also, you can tighten the lifter trays in any sequence you like, and one pass with the correct torque .... Polka dot mushroom belgian chocolate
Find the torque specifications for various LS engine parts and bolts, including cylinder head bolts, connecting rod bolts, crankshaft bolts, camshaft bolts, and more. The web page lists the torque values for each bolt in different passes and sequences, with a table of values and a diagram. 18 ft-lbs. A/C Compressor Torque Spec. 37 ft-lbs. 1500 6.2L engine bolt torque specs, common problems and repairs. Cylinder Head Torque specs, timing chain installation, manifolds torque specs, engine assembly.0. Whenever you are looking to build your own LS swap or frankenstein LS heads and block combination, you will need the factory LS1 Torque Specifications to assemble your block correctly. Cylinder Head Bolts : 11mm x 20.0 x 155.5mm bolts: 22 ft-lb, plus 76 degrees. 11mm x 20.0 x 101.0 mm bolts: 22 ft-lb, plus 76 degrees, plus 34 degrees.Use a torque angle meter (p/n J 36660-A or equivalent) in order to rotate the cylinder head bolts an additional 95 degrees. † Tighten the bolts in sequence to the specified torque. With all the bolts tight-ened, make a second pass, tightening all the bolts an additional 95°. Remember, 95° is just a little more than a 1/4 turn, not 1/2we at QUICKTIMES mechanic are not liable for any damages, repairs, injuries. we created videos for educational purposes only, be safe and cheersThe 5.3 liter LS-series engine was offered from 1999-2014 and has a 3.78” bore x 3.62” stroke. The block was offered in both cast-iron and aluminum with aluminum cylinder heads. Camshaft specifications varied depending on the year and RPO code of the engine.When it comes to optimizing the performance of your Kohler engine, one crucial factor that cannot be overlooked is the torque specifications. Torque specs refer to the specific amo...Head Bolt Torque on LT1. I just replaced the head gasket (s) on my engine. Got about 500 miles on it now. No problems what-so-ever with the gaskets and car is running great. When I did this, I went straight by the GM manual on the torque spec. (22 ft*lbs +80° additional, +67° on short bolts) for the head bolts.Jan 26, 2018 · The bolt manufacturer tests its bolts to create the given clamp load that will allow the head gasket to seal properly. This clamp load requires a given torque on the fastener. As an example, we’ll choose 70 lb-ft as our number. Of this amount of torque applied to the bolt, roughly 50- to 55-percent of that torque is used to overcome the ... PQY Head studs: https://amzn.to/3Q396u2 ARP2000: https://amzn.to/3mtbBrZ Felpro: https://amzn.to/3O0ZhLH Find all of our different tool rankings here: https:...However, there is more to tightening rocker’s arms than just bolt torque specs, but more on that later. For now, the LS rocker arm torque specs are 22 lb-ft or 30 N•m. That goes for all LS series engines, with the only difference being the LS9 (ZR1), where GM issued a warning that the rocker arm torque must not exceed 24 lb-ft because the ...18 ft-lbs. A/C Compressor Torque Spec. 37 ft-lbs. 2500 6.0L engine bolt torque specs, common problems and repairs. Cylinder Head Torque specs, timing chain installation, manifolds torque specs, engine assembly.Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence) 50 degrees: Cylinder Head Bolts (M8 Inner Bolts in …Apply a small amount of engine oil or assembly lubricant to the threads and washer face of each head bolt. This will reduce friction and ensure accurate torque readings. 3. Begin the torque sequence by tightening all the head bolts to 30 ft. lbs. (41 Nm) in the specified order. Use a torque wrench and ensure a gradual and even tightening process.The oil pump assembly should be tightened down to the engine block using 18 ft-lbs. The pumps cover bolts can be installed after lubing up the oil pump gear. The oil pump cover bolts torque down to 8 ft-lbs. On the bottom end of the pump the pickup tube can be installed and torqued down to the pump using 8 ft-lbs. Head Bolt Kit: 134-3710: Chevrolet LSA, ARP2000, 12pt: Head Bolt Kit: 234-3726: Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts, ARP2000, 12pt: Head Bolt Kit: 234-3725: Chevrolet LS Gen III LS Series small block (2003 & earlier), two lengths, ARP2000, 12pt: Head Bolt Kit: 234-3724: Chevrolet LSA ... The recommended torque spec for a 5.3 L head is 30-35 ft/lbs, using an angle of 15 degrees while tightening each bolt in sequence as specified by your vehicle’s manufacturer. It’s important to note that ….