Product#: 222734

Oxygen Sensor Plug M-18 Thread

Many headers for late model engines are equipped with an oxygen sensor bung in each header. When retrofitting a carburetor on late model engines, an oxygen sensor is not necessary. This plug seals the oxygen sensor bung on...

Product#: AJ5313

1937-62 Chevrolet 6 Cylinder Fenton Header Bolt And Washer Set

Plated steel bolt and washer set for AJ513 Fenton 6 cylinder headers.

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#: AR1111

Chevrolet Small Block Black Oxide Hex Head 3/8" x 3/4" Header Bolt Set

ARP® manufactures this premium grade hex head bolt set to facilitate installation of exhaust headers in 8740 chrome moly steel. Made in USA You have a choice of two premium quality materials and finishes. Traditionalists...

Product#: 66341

Black Oxide Small Hex Head 3/8"- 16 x 3/4" Header Bolt Set

Working in a tight space? This small head bolt set is designed to replace regular hex head bolts for easier access and fewer skinned knuckles. Sold as a set of 12

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#: 17973

Zinc Finish Small Hex Head 3/8" - 16 x 1" Header Bolt Set

Working in a tight space? This small head bolt set is designed to replace regular hex head bolts for easier access and fewer skinned knuckles. Sold as a set of 12

Product#: 17970

Zinc Finish Small Hex Head 3/8" - 16 x 3/4" Header Bolt Set

Working in a tight space? This small head bolt set is designed to replace regular hex head bolts for easier access and fewer skinned knuckles. Sold as a set of 12

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...

Product#: 56418CE

Small Block Chrome 1" Header Bolt Set with SS Logo

Dress up your classic with this one-of-a kind dress-up bolt set. The SS logo is stamped directly onto the head of the bolts. What better way to make a statement than with these unique bolts.