Plymouth Duster Parts - Manifolds

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...

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...

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...

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...

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...

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...

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...

Replacement exhaust manifold for all 1971 Hemi models. Features correct casting numbers, choke control system, and the correct textured finish. Comes with heat riser set. Made in the USA.

This Hemi heat tube runs from the RH side of the exhaust manifold to the intake manifold. Made of mandrel bent steel like original. Important: Right hand side tube features 2 flanges. Left hand side features 1 fla nge. ...

This Hemi heat tube runs from the RH side of the exhaust manifold to the intake manifold. Made of mandrel bent steel like original. Important: Right hand side tube features 2 flanges. Left hand side features 1 fla nge. ...

Classic Industries® stocks a full line of Hedman Hedders™ for 1966-76 Mopar A, B and E body models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

Replacement exhaust manifold for all 1971 Hemi models. Features correct casting numbers, choke control system, and the correct textured finish. Comes with heat riser set. Made in the USA.

Dread the thought of struggling to shoe-horn one-size-fits-all racing headers into your high-performance street car, only to be forced to remove your power steering? Well, now there's relief for the all-too-common B/RB...

Small position adjustments for header clearance are easy with this set designed for all biscuit mounting systems. Each set contains 8 shims, 2 of each: 1/16", 3/16", 1/8", 1/4". For small block and B-RB engines. Note: Shims...

Small position adjustments for header clearance are easy with this set designed for all biscuit mounting systems. Each set contains 8 shims, 2 of each: 1/16", 3/16", 1/8", 1/4". For small block and B-RB engines. Note: Shims...

Replacement exhaust manifold for all 1966-71 Hemi models. Features correct casting numbers, choke control system, and the correct textured finish. Heat riser set not included. Made in the USA.

These Hemi heat tubes run from the RH side of the exhaust manifold to the intake manifold. Made of mandrel bent steel like originals. Note: Does not include gaskets or shield. For a 3 piece gasket set, see part nu mber...

Classic Industries® stocks a full line of Hedman Hedders™ for 1966-76 Mopar A, B and E body models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

Dread the thought of struggling to shoe-horn one-size-fits-all racing headers into your high-performance street car, only to be forced to remove your power steering? Well, now there's relief for the all-too-common B/RB...

Classic Industries® stocks a full line of Hedman Hedders™ for 1966-76 Mopar A, B and E body models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

Classic Industries® stocks a full line of Hedman Hedders™ for 1966-76 Mopar A, B and E body models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

Dread the thought of struggling to shoe-horn one-size-fits-all racing headers into your high-performance street car, only to be forced to remove your power steering? Well, now there's relief for the all-too-common B/RB...

This Jeep SRT exhaust manifold kit is designed to be used with Hemi Crate engines. Includes exhaust manifolds, heat shields, gaskets and mounting hardware.

Our new Victor Jr. cylinder heads are designed for high output 650+ hp Chrysler 426-572 HEMI® engines. They feature fully CNC'd combustion chambers and CNC blended seats for optimal air flow performance. These cylinder...

Our new Victor Jr. cylinder heads are designed for high output 650+ hp Chrysler 426-572 HEMI® engines. They feature fully CNC'd combustion chambers and CNC blended seats for optimal air flow performance. These cylinder...