Product Description
ARP 234-4345 Pro Series ARP2000 Head Stud Kit for GM LS Engines
Fits Mid-2004 and Newer LS Blocks with Ten Equal-Length Main Head Bolts per Bank
Secure the cylinder heads on a compatible GM LS engine with the ARP 234-4345 Pro Series head stud kit. Manufactured from ARP2000 material, this upgraded fastener kit provides greater strength than standard ARP head studs and is well suited for boosted, supercharged, turbocharged and nitrous engine combinations. ARP 234-4345 is designed specifically for mid-2004 and newer LS blocks that use ten equal-length main head bolts on each bank. It will not fit earlier LS blocks that use eight longer and two shorter main head bolts per side. The studs feature a black oxide finish and are manufactured entirely in-house by ARP in the USA.
Key Features & Benefits
- Pro Series ARP2000 Material: Manufactured from ARP2000 material as a step up in strength from standard ARP head studs. The upgraded material supports demanding compatible LS engine combinations requiring a stronger cylinder-head fastener solution.
- Ideal for Power-Adder Applications: The increased strength of the ARP2000 fasteners makes this kit well suited for boosted and nitrous LS engines. Applicable combinations include compatible supercharged, turbocharged and nitrous-assisted builds.
- Later LS Bolt-Pattern Compatibility: Designed for mid-2004 and newer LS blocks using ten equal-length main cylinder-head bolts on each side. This physical bolt configuration is the critical distinction when selecting ARP kit 234-4345.
- Black Oxide Finish: Each fastener features ARP’s black oxide finish for the specified Pro Series appearance. The finish clearly distinguishes the studs while complementing the professional construction of the ARP2000 fastener kit.
- Manufactured In-House in the USA: ARP performs 100% of its fastener manufacturing operations in-house. The ARP 234-4345 Pro Series head stud kit is made in the USA under ARP’s controlled production process.
Notes
- Fits mid-2004 and newer LS engines with ten equal-length main head bolts on each side.
- Will not fit earlier blocks that use eight longer and two shorter main head bolts per side.
- 1997-2003 heads use QTY 8 155mm bolts, QTY 2 100mm bolts and QTY 5 45mm bolts; 2005-2014 heads use QTY 10 100mm bolts and QTY 5 45mm bolts.
Key Fitments
- Fits 2005-later LS Based 4.8L 5.3L 6.0L 6.2L
- LS3 L99 L92 L9H L94 LS2 L76 L77 LY6 L96 LY5 LMG LMF LH6 LC9 LY2 L20 LS7 LQ4 LQ9 LR4 LM7 L59 LS4
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