Hedman Hedders 89340 Hedman Street Headers Body Bushings ARP High Performance Series head

ARP High Performance Series head bolts use a 6-point hex head with under-head radius improvements

and compression set that affects rubber over time

The COMP Cams 859-2 COMP Cams Endure-X Roller Lifters are precision lifters from COMP Cams

ATI's steel replacement eliminates that failure mode entirely

Hedman Hedders 89340 Hedman Street Headers Body Bushings ARP High Performance Series headHedman Street Headers (89340) offer an affordable entry into header performance without sacrificing durability. These full length headers are designed for street driven vehicles where low end torque and mid range power matter most. Constructed from 14 gauge mandrel bent steel they provide a noticeable improvement over restrictive factory manifolds on small block and big block applications. Gains of 10 18 hp are typical with torque concentrated in the