ARP Pontiac 350,400,428,455 w/ D Port Heads Cylinder Head Bolts
Part #: 190-3607
List Price: $229.97
Our Price: $91.99
You Save: $137.98
Pontiac 350, 400, 428, 455 with D port heads (1967 & Later) ARP 190-3607 High Performance Cylinder Head Bolts, Hex Head. High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing.
All High Performance Series bolts are 180,000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.
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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