ARP High Performance Series Cylinder Head Bolt Kit, 1997-2003 LSARP High Performance Series Cylinder Head Bolt Kits ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi 15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12 point head that help eliminate the need for valvetrain removal when re torqueing cylinder heads. Chevrolet LS Gen III LS Series small block (2003 & earlier), two lengths, 8740, hex Kit #: 134 3609 Specifications

Factory-style quick connect fittings on automatic transmission cooler equipped models

Expect as much as 20° F drop in coolant temperature

TRA-LTTK-INJ

Forged from aerospace alloy and heat-treated prior to thread rolling and machining

We have seen increases of up to 13 horsepower

ARP Pro Series Cylinder Head Studs

It is intended to facilitate easier installation of LT4 blowers on LT1 engines in the 2016+ Camaro or 2014+ Corvette (or any other application using the new connector)

Fits these Vehicles: 2016-2024 Chevrolet Camaro SS/ 2020-2024 Camaro LT16

The '09 - '14 CTS-V headers also come with a button head bolt for improved clearance on the middle of the steering shaft (3rd bolt from the bottom)

This package was on Halltech's LS2 for many years

The VR-B2 features up to 40 HP throughout the RPM range

This 3" inlet Cat-Back™ system contains both AFM ('20-'21)/ DFM ('22-'24) valves and NPP dual mode exhaust valves