ARP 250-4301 6.7 Powerstroke Head Studs 6.4 pistons 96 A/R with 3" V

96 A/R with 3" V Band Outlet

Exhaust manifolds with heavy walled elbow connections prevent burning out

665 in Recess Volume 31

Manifolds are coated to resist corrosion and are pre-drilled for pyrometer probes

custom tuning

ARP 250-4301 6.7 Powerstroke Head Studs 6.4 pistons 96 A/R with 3" VARP head studs are a must for any 6. 7 making serious power. These heavy duty head studs are rated at 220,000 psi tensile strength to give your project the clamping force needed to stop the heads from lifting at higher cylinder pressure from more fueling and extra boost. ARP is proud to manufacture their head studs in Santa Paula, California. Threads are rolled after heat treating and centerless ground for the finest quality fasteners money can buy.