1/4-20 x 1.250 hex SS bolts

1/4-20 x 1.250 hex SS boltsMaterial: Stainless Steel Finish: Polished Material 2: Finish 2: Origin: USA

The nuts feature a wide base for better load distribution and sealing

Available inblack oxide finished chrome moly or rust-proofstainless steel

which makes for amore consistent clamping force – and one that compensates forhead gasket compression when the cylinder heads are installed

there wasn’t a “poly lock” on the market that you didn’t have to continually tighten

NOTE: Not to be used with OEM-style

We highly recommend using a stretch gauge when installingrod bolts and other fasteners where it is possible to measure thelength of the bolt after tightening

Not to be used with OEM-style

insulated plastic carrying case for protection

take your pick between conventional hex style or 12-point designs

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

They are designed for each specific application and provide the optimum grip

This procedure (done only to the shorter studs)more equalizes the “stretch” of both studs