Square Drive Damper Bolts for Ford 351C

Square Drive Damper Bolts for Ford 351CARP offers a special version of its rugged 190,000 psi rateddamper bolt that can accept a standard 1 2? drive ratchet orbreaker bar to facilitate rotating the crank assembly. 1 2? square drive forged into bolt head, enabling the rotationof an engine with any 1 2? drive toolMade from heat treated 8740 chrome moly steel withheavy duty black oxide finish Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

They run-in straight and true

ARP’s rugged primer shafts are rated at 170

and copy down the length of the fastener prior to and after installation

Increased material strength overcomes valve train harmonics and stress

Now available for all popular applications

Kits come complete with flat washers

ARP studs are thread rolled after heat-treat

limited rule oval track competition and street use

ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190

Simply stated

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place

as well as with a conventional hex head or 12-point (great for tight