Product#: AR1427

ARP Mopar 340-360 Header Bolts - 5/16" Diameter - Stainless 300 - Hexhead

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....


Product#: AR1428

ARP Mopar 340-360 Header Bolts - 5/16" Diameter - Stainless 300 - 12-Point

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....


Product#: AR1426

ARP Mopar 340-360 Header Bolts - 5/16" Diameter - Black Oxide - 12-Point

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....


Product#: MM8273

Mopar Big Block Exhaust Manifold Sleeve Studs 6 Pieces

Mopar big block exhaust manifold sleeve studs for all 383, 400 and 440 engines. {specs}


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#: AR1425

ARP Mopar 340-360 Header Bolts - 5/16" Diameter - Black Oxide - Hexhead

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....


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#: 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...