Square Drive Damper Bolts for Pontiac

Square Drive Damper Bolts for PontiacARP 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

A “must” for any serious engine builder

A premium grade 8740 alloy chrome moly steel is used to manufacture ARP High Performance connecting rod bolts

They’re application-specific

They have a tensile strength of 190

Specialfeatures include 1/4

000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel-ground washers

000 psi tensile strength material where noted

Hardened parallel-ground washers are included in each kit

All carb studs include a nut starter nose (except where noted) and kitscome with hex nuts and washers

The stud kits come complete with a special locking flanged nut

Wide underhead flange and companion washers provide even load distribution

ARP offers studs and bolts in a choice of chrome moly steel with a black oxide finish or polished ARP Stainless