ARP Chevy SB 18° Hi-Port w/ 3/8 Holes Cylinder Head Bolts - 12 Point
Part #: 234-3721
List Price: $434.82
Our Price: $289.81
You Save: $145.01
Chevy SB 18° hi-port with 3/8" holes, casting number 10134363 and 64, ARP 234-3721 12-Point Pro Series, Cylinder head bolts.
Head bolts are available with a reduced wrenching 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing.
All Pro Series head bolts have a reduced wrenching hex or 12-point head and wide area flange to eliminate the need for valve train removal for cylinder head retorquing and permits the use of larger diameter valve springs. Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets.
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