ARP 134-3701 12 Point Cylinder Head Bolt Kit for Chevrolet Small Block SBC 283 305 327 350 383 400 EnginesCylinder Head Bolts, High Performance, 12 Point Head, 180,000 PSI, Chevy, Small Block UPC: 672036001797 Fastener Style: Bolt Undercut Stud: No Head Style: 12 point Fastener Material: Chromoly Washers Included: Yes Quantity: Sold as a kit. Notes: 180,000 PSI.

silicon aluminum

ZEX is able to combine R&amp

Cam Type: Hydraulic Roller

Spring Rate: 372 lbs/in

Maintains Optimum Pressure w/Precision Thermostats

In addition to ensuring proper cylinder distribution

Needs tune

Black Oxide Hex

GEN III Vortec/Truck

Ultra-Gold™ ARC Rockers feature a new extrusion based on improvements developed through FEA analysis

05” Seat Height

ZEX™ offers a liquid filled gauge option for our popular nitrous pressure gauge kit