Products

GM LS1/LS2 exhaust manifold gaskets feature a multi-layer steel design that seal better than cheaper paper-style gaskets that are prone to burning up quickly!GASKETS ARE SOLD INDIVIDUALLY! 2 Required Per Engine!

Off road mid pipes for 6.2/6.4 hemi cars. 

Drop in spring for 09+ Hemi engines includes 5.7 Eagle heads and 6.2/6.4 Apache heads O.D. Large End (in) 1.345 I.D. Large End (in) 0.900 O.D. Small End (in) 1.095 I.D. Small End (in) 0.650 Installed...

TSP 5.7L Hemi Spring Kit w/ PAC 1275X Springs and .060" Shims Spring Specs: 140 lbs @ 1.950", 405 lbs @ 1.300", Coil Bind 1.225", 1.290" OD, .630" ID

ifferential Integration and Reinforcement System - reinforce your differential case and improve your car's IRS operation and traction with the DIRS-G! 100% satisfaction guaranteed.   New transformative product from Per4Mance Development: Starting in January 2019, P4D decided...