ARP 3500/3900 VVT Head Stud Kit

This kit is for the 3500/3900 VVT V6 Engines.  Includes 16 studs, washers, and nuts.   It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there’s not a better stud setup on t…

$219.99

Oil Bypass Valve

GM Oil Bypass Valve is a simple piece to remove and replace when you have a block cleaned for a rebuild.  

$5.99

Timing Chain Tensioner

Use this tensioner to keep the chain tight compared to the OE dampener. Works with all Gen 3 engines.  May fit Gen 1 and 2 as well

$29.99

Comp 26925 Double Spring Kit

Dual Valve Springs for Aluminum head 60V6 engines.  These springs use our LS style seat/seal combination for a perfect fit and come with the matching retainers for use with stock keepers.  Other than the 3500/3900 VVT engines, stock install height of 1.700" will give 185# seat pressure and 385# @…

$259.99

Custom Tuning (OBD2)

Tuning is available for 3100 and 3400 engines only!  HPTuners has removed the newer engines from our license and we are unable to offer any tuning services for those applications. If you have HPTuners hardware, we can help you with the tuning as well as learning how to use your hardware for the…

$49.99

HPTuners MPVI 2

The newest version of HPTuners hardware was recently released, with improved features and updated software.  These units do not include credits, which are required to tune a car.  You can scan without credits, so we offer these bare, and with 2 credits at a discounted rate.  Additional credits ca…

$299.99

ARP 60V6 PM Connecting Rod Bolts

Upgraded connecting rod bolts for the 3.5l LX9, 3.5 / 3.9 VVT, and 3.6 DOHC engines.

$139.99

ARP Crank Damper Bolt

As the crankshaft flexes, the damper absorbs incredible amounts of energy. This damper bolt kit from ARP will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra tall 12-point head that accepts a deep socket to eliminate the fear of strippin…

$39.99

ARP Flywheel/Flex Plate Bolts

These premium-grade Pro series flywheel/  flexplate bolts from ARP are forged from aerospace alloy and heat-treated prior to thread rolling and machining. They feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register. …

$49.99

ARP Torque Converter Bolts

ARP torque converter to flexplate bolts.  Sold in sets of 3.

$9.99

Custom Length Pushrods

Custom length pushrods will give you the most from your camshaft upgrade due to the optimal preload on the lifter, and the thicker .083" wall thickness.  Made from heat treated 4130 chromoly steel coupled with heat treated pushrod ends, and good for up to 700 pounds open valve spring pressure. Whe…

$154.99

Adjustable Pushrod

5.700-6.250" range adjustable pushrod to determine the correct pushrod lengths for optimal preload. 

$22.99