Moroso Harmonic Balancer Bolt - BB Chevy - 1/2"-20 Drive Shafts & Components Accepts many common 5 1/8

Accepts many common 5 1/8 OEM or aftermarket air cleaner assemblies

Supports up to 480 horsepower

Flange Size: 4500

Muffler Shield Kit solves the problem of heat soak into interiors and components from mufflers that are close to floors

these are feature packed throttle bodies available in both bright silver or black anodized finishes

Moroso Harmonic Balancer Bolt - BB Chevy - 1/2"-20 Drive Shafts & Components Accepts many common 5 1/8Extra strength chrome moly steel bolt with large, built in washer flange exerts 190, 000 psi of clamping force to secure balancer firmly in place under severe conditions Unlike other brands, the bolt is machined and thread rolled after heat treating for superior strength, accuracy and longevity Extra tall 12 point head accepts deep 5 8" socket to provide positive grip for removal installation without stripping Large, 2" diameter washer is 1 4" thick