Flexplate Bolt Kit for Pontiac 350-455 V8

Flexplate Bolt Kit for Pontiac 350-455 V8ARP offers two styles of Flexplate bolts: premium grade Pro Series rated at 190,000 psi and High Performance Series that are rated at 180,000 psi. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

Material: L19

It is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all-out competitionpowerplants

Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position

the fastener experts at ARP have developed the Pro Series ring gear bolts

They’re designed to make it as easy as possible to install a pan and seal it properly

heat-treated prior to thread rolling and machining

They are both forged from aerospace alloy and heat-treated prior to thread rollingand machining

you may choose betweenconventional hex style or the space-saving 12-point nuts

including use of a premium grade chrome moly alloy

Not to be usedwith OEM-style

each stud is placed verticallyinto special racks and precisely heat-treated to 190

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate theneed for valve train removal during cylinder head retorquing