Product#: MP700170

Mopar Big Block Long Exhaust Manifold Sleeve Nut

Correct 3/8-24 UNF x 2.84" hex head sleeve nut for Mopar big block exhaust manifolds. Sold each. Fits: 1968-70 340 Hp exhaust manifold 1962-65 Street wedge exhaust manifold; for use on 361, 383, and 426 big block b-b ody 1967...

Product#: K0164

1956-79 Chevrolet/GMC Small Block Ram Horn Exhaust Manifold Bolt and Washer Set, 24 pieces.

Reproduction exhaust manifold bolt & washer set for 1956-1979 models with ram horn style exhaust manifolds. Fits small block Chevrolet engines. This complete set features the correct head markings. Includes extra thick...

Product#: MP700295

Mopar Big Block Engine - Short Exhaust Manifold Sleeve Nut (3/8"- 24 x 1.94")

Reproduction exhaust manifold sleeve nuts for Mopar models. Order as needed.

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#: 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#: AR11111

Chevrolet Small Block Black Oxide Hex Head 3/8" x 1" 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#: 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#: 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#: K0168

1964-81 Chevrolet; Exhaust Manifold Bolt and Washer Set; Small Block 24 Piece

Reproduction of the original exhaust manifold bolts and washers designed for use with various 1964-81 Chevrolet models as listed. Each bolt featuresa correct OEM style headmark with thick washers. Mounts exhaust manifold on...

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#: 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#: MM8273

Mopar Big Block Exhaust Manifold Sleeve Studs 6 Pieces

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

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#: 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#: A8700126

1970-74 Firebird, Trans Am; Exhaust Manifold Bolt Set; 400, 455, Ram Air II, IV, HO; 14 Piece Set

Reproduction exhaust manifold bolts for various 1968-74 Pontiac models, and 1970-74 Firebird, and Trans Am models with 389, 400, or 455 Ram Air and HO vehicles with D-port exhaust manifolds. These bolts match the factory...

Product#: 1256623

1964-76 Chevrolet; Exhaust Manifold Bolt Set; Small Block with AC; Grade 8; Fits Ram Horn Style Exhaust Manifolds

Correct style exhaust manifold bolt and stud kit will replace the rusted or broken originals. Includes 4 long bolts, 7 short bolts and 1 stud.

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.

Product#: EMW001

1955-91 Chevrolet Small Block 12 Piece Exhaust Manifold Washer Set

Reproduction of the original stainless steel thick style exhaust manifold washers used on 1955-91 GM vehicles. 12 piece set. GM Full Size passenger car applications: 1955-1991 Camaro applications: 1967-1991 Chevy II/Nova...

Product#: MHK264

1969-71 Mustang Boss 429 Exhaust Manifold Ramp-Lok 15 Piece Bolt Set

Reproduction exhaust manifold Ramp-Lok bolt set for 1969-71 Mustang Boss 429 models. Manufactured to factory specifications with the correct thread and washers for an original fit and finish. Made in USA

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#: 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.

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.

Product#: MP700217

Mopar Small Block Engine - Exhaust Manifold Conical Washers - Sold Individually

Reproduction Small Block exhaust manifold conical washer for Mopar models. Thick conical washer used under every bolt and nut that secures exhaust manifold to the heads. Sold individually 10-12 washers required per engine.

Product#: A8700125

1968-81 Firebird, Trans Am; Exhaust Manifold Bolt Set; 389, 400, 455 Ram Air; 13 Piece Set

Reproduction exhaust manifold bolts for various 1964-81 Pontiac models, 1968-81 Firebird, and Trans Am models with 389, 400, or 455 Ram Air and HO vehicles with D-port exhaust manifolds. These bolts match the factory style...

Product#: MP700246

1962-65 Mopar Street Wedge Engine - Exhaust Manifold Fastener Set (OE Style)

If you're after originality for your under-hood project, don't settle for anything less than these complete sets of OE-type bolts to mount your exhaust manifolds.

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#: MP700245

1966-69 Mopar B-Body with 361/383 Std Performance Engines - Exhaust Manifold Fastener Set (OE Style)

If you're after originality for your under-hood project, don't settle for anything less than these complete sets of OE-type bolts to mount your exhaust manifolds. Model Applications: 1968-69 Road Runner, Super Bee 1 966-69...

Product#: TF700540

1955-56 Passenger Small Block Exhaust Manifold Bolt Locks

Get the factory look and keep the manifold bolts tight to help eliminate exhaust leaks. These original style reproduction stainless steel exhaust manifold bolt locks are for the purist who demands perfection. Sold in sets of...

Product#: TF700374

1955-57 Chevrolet Stainless Steel 2-1/2" LH Exhaust Manifold Stud With Nut

Replace your missing, rusted, stripped or broken exhaust manifold studs. These are often beyond repair when removing your exhaust manifold. Stainless steel with nut. 2-1/2" long. No tip. 8 cyl., left side. Sold each.

Product#: MHK17

1968-73 Mustang 200/250 Exhaust Manifold Ramplok Fastener Set

This Ramp - Lok Bolt kit is a direct replacement for all 1968 - 1973 Mustangs with a 6 - Cylinder engine. Reproduction of the original hardware, including the correct washers, threads and finish.

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.

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.

Product#: K0157

1957-1978 Chevrolet; Exhaust Manifold to Pipe Stud Set; Small Block & Big Block

Correct reproduction of the original exhaust manifold to pipe studs and nuts used to attach the exhaust pipes to exhaust manifold. Each set includes a complete set of studs for the installation of both exhaust manifolds....

Product#: 56418SG

Stainless Steel Small Block 1" Header Bolt Set with 350 Logo

Dress up your classic with this one-of-a kind dress-up bolt set. The 350 logo is stamped directly onto the head of the bolts. What better way to make a statement than with these unique bolts.

Product#: AR4111

Chevrolet Small Block Stainless Steel 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 stainless steel. Made in USA You have a choice of two premium quality materials and finishes. Traditionalists will...

Product#: AR1121

Chevrolet Small Block Black Oxide 12 Point Head 3/8" x 3/4" Header Bolt Set

ARP® manufactures this premium grade 12 point 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....

Product#: AR41111

Chevrolet Small Block Stainless Steel Hex Head 3/8" x 1" Header Bolt Set

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

Product#: AR4121

Chevrolet Small Block Stainless Steel 12 Point Head 3/8" x 3/4" Header Bolt Set

ARP® manufactures this premium grade 12 point head bolt set to facilitate installation of exhaust headers in stainless steel. Made in USA You have a choice of two premium quality materials and finishes. Traditionalists...

Product#: AR41211

Chevrolet Small Block Stainless Steel 12 Point Head 3/8" x 1" Header Bolt Set

ARP® manufactures this premium grade 12 point head bolt set to facilitate installation of exhaust headers in stainless steel. Made in USA You have a choice of two premium quality materials and finishes. Traditionalists...

Product#: AR11211

Chevrolet Small Block Black Oxide 12 Point Head 3/8" x 1" Header Bolt Set

ARP® manufactures this premium grade 12 point 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....

Product#: 56488SD

Big Block Stainless Steel Header Bolt Set with Bow Tie Logo

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

Product#: 56418SD

Small Block Stainless Steel 1" Header Bolt Set with Bow Tie Logo

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

Product#: 56418SE

Small Block Stainless Steel 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.

Product#: AR4112

Chevrolet Big Block Stainless Steel 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 stainless steel. Made in USA You have a choice of two premium quality materials and finishes. Traditionalists will...

Product#: AR1122

Chevrolet Big Block Black Oxide 12 Point Head 3/8" X 3/4" Header Bolt Set

ARP® manufactures this premium grade 12 point 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....

Product#: MHK270

1966-67 Mustang V8 289 HP 16 Piece Ramp-Lok Exhaust Manifold Bolt Set

Reproduction exhaust manifold Ramp-Lok bolt set for 1966-67 Mustang models with 289HP engine. Manufactured to factory specifications with the correct thread and washers for an original fit and finish. Made in USA

Product#: AR41212

Chevrolet Big Block Stainless Steel 12 Point Head 3/8" x 1" Header Bolt Set

ARP® manufactures this premium grade 12 point head bolt set to facilitate installation of exhaust headers in stainless steel. Made in USA You have a choice of two premium quality materials and finishes. Traditionalists...

Product#: AR41112

Chevrolet Big Block Stainless Steel Hex Head 3/8" x 1" Header Bolt Set

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

Product#: AR4122

Chevrolet Big Block Stainless Steel 12 Point Head 3/8" x 3/4" Header Bolt Set

ARP® manufactures this premium grade 12 point head bolt set to facilitate installation of exhaust headers in stainless steel. Made in USA You have a choice of two premium quality materials and finishes. Traditionalists...

Product#: AR1112

Chevrolet Big 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#: AR11112

Chevrolet Big Block Black Oxide Hex Head 3/8" x 1" 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#: AR11212

Chevrolet Big Block Black Oxide 12 Point Head 3/8" x 1" Header Bolt Set

ARP® manufactures this premium grade 12 point 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....

Product#: 9431C

1964-73 Ford Mustang; Performance Exhaust Headers Hardware & Gasket Kit; 6 Cylinder; 6-Into-1

170/200 gasket/hardware kit. Includes: Manifold Gasket 1 Collector Gasket Header Bolts 3 Collector Bolts & Nuts 1 Color Flanges 1 Reducers Not all componenets listed are pictured.

Product#: 3736035

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt; 3/8"-16 x 1-1/4" Long Thread; 1-1/2" Overall Length; Slash/Circle Head Marking; Each

Factory style exhaust manifold mounting bolt for 1968-78 Chevrolet big block applications with 396 or 454 engines, and select Pontiac models. This reproduction bolt measures 3/8" x 1-1/4" and features the correct 1-1/2"...

Product#: 14312

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt Set; 16 Pieces

Factory style exhaust manifold mounting bolt set for 1968-78 Chevrolet big block applications with 396 or 454 engines, and select Pontiac models. This reproduction bolt measures 3/8" x 1-1/4" and features the correct 1-1/2"...

Product#: 56488SC

Big Block Stainless Steel 1" Header Bolt Set with Flames Logo

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

Product#: G5073K

1971-77 Impala; 1969-81 Camaro; 1969-79 Chevy II/Nova and other GM; SB Exhaust Manifold Heat Stove Rivet Set; 4 Pieces

Reproduction exhaust manifold heat stove rivet set for various 1969-82 Chevrolet models with a small block V8 engine. This high quality hardware set features original style fasteners with the correct finish. Rest assured you...

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#: 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....