Product#: AK118B

1965-90 Chevrolet Big Block; Header Bolt Set; Polished Stainless Steel

Includes hex head bolts for 1965-90 Chevrolet big block headers. Set of 16 bolts in polished stainless finish. {fitment}

Product#: AK119B

1955-86 Chevrolet Small Block; Header Bolt Set; Polished Stainless Steel

Includes polished stainless steel hex head bolts for small block headers. Set of 12 bolts. {fitment}

Product#: AK119A

1955-86 Chevrolet Small Block; Header Bolt Set; Polished Chrome

Includes polished chrome hex head bolts for small block headers. Set of 12 bolts. {fitment}

Product#: AK118A

1965-90 Chevrolet Big Block; Header Bolt Set; Polished Chrome

Includes hex head bolts for 1965-90 Chevrolet big block headers. Set of 16 bolts in polished chrome finish. {fitment}

Product#: 66753

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 1" Long (Set of 12)

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

Product#: 66755

PROFORM Wedge-Locking Header Bolts M8 Thread Diameter - 1.181" Long (Set of 12)

These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers bite into and grab the bottom of the bolt head and the top surface of the header. After...

Product#: 66754

PROFORM Wedge-Locking Header Bolts M8 Thread Diameter -.984" Long (Set of 12)

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

Product#: 66752

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 3/4" Long (Set of 16)

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

Product#: 66756

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 1" Long (Set of 16)

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

Product#: 66751

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 3/4" Long (Set of 12)

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

Product#: 66757

PROFORM Wedge-Locking Collector Bolts & Nuts 3/8"-16 Thread Diameter - 1" Long (Set of 6)

PROFORM Grade 8 (12.9 steel) exhaust collector bolts and nuts are designed to keep bolts from getting loose. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently...