M12 x 1.75 x 50 12pt black oxide bolts

M12 x 1.75 x 50 12pt black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

while expensive

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

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

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

but one is drilled to allow for a seal wire

Increased material strength overcomes valve train harmonics and stress

These premium grade bolts are engineered to properly engage the manifold threads and resist loosening

limited rule oval track competition and street use

including use of a premium grade chrome moly alloy

All Pro Series bolts are cold-forged to ensure molecular integrity

All High Performance Series bolts are 180

ARP’s heat-treated 8740 chrome moly wheel studs are a much-needed replacement for any car engaged in oval track or drag racing competition