Product#: 8308

1965-89 265-400ci Chevrolet Small Block Doug"s Ceramic Coated Headers

Every header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses for dramatic gains in horsepower and torque. Doug's headers are carefully developed...

Product#: 68601

1967-94 Chevrolet 283ci - 400ci Small Block - Shorty Hedman Hedder Set - Black 1-5/8" dia.

Classic Industries® stocks a full line of Hedman Hedders™. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds. Headers are not only lighter, but will also...

Product#: 68290

1971-94 Impala / Full Size 283ci - 400ci Small Block Painted Full Length Hedman Hedders

Classic Industries® stocks a full line of Hedman Hedders™ for 1955-94 Chevrolet Impala / full size models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel...

Product#: 68600

1967-94 GM 283-400ci Chevrolet Small Block - Shorty Hedman Hedders - Black 1-5/8" dia.

Classic Industries® stocks a full line of Hedman Hedders™. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds. Headers are not only lighter, but will also...

Product#: 8304

1967-94 265-400ci Chevrolet Small Block Doug"s Ceramic Coated Shorty Headers

Every header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses for dramatic gains in horsepower and torque. Doug's headers are carefully developed...

Product#: 85013

Cast Iron; LS Exhaust Manifolds; With Black Ceramic Finish

Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap applications. Their contoured design aims the exhaust directly at the exit...

Product#: 85010

Cast Iron; LS Exhaust Manifolds; With Natural Cast Finish

Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap applications. Their contoured design aims the exhaust directly at the exit...

Product#: 68609

1971-94 GM - 283ci-400ci Small Block With D-port Heads Painted Shorty Hedman Hedders

Classic Industries® stocks a full line of Hedman Hedders™ for 1955-94 Chevrolet Impala / full size models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel...

Product#: 68623

Hedman Hedders Standard Duty BLACK MAXX Coated Headers Pt# 68623

The standard-duty Hedman Hedders in this section come from the factory with an extremely durable, protective SATIN BLACK ceramic-metallic coating. Hedman Hedders, pioneered the use of ceramic-metallic coatings, back in the...

Product#: 68641

1971-94 Impala / Full Size 283ci - 400ci Small Block Painted Shorty Hedman Hedders

Classic Industries® stocks a full line of Hedman Hedders™ for 1955-94 Chevrolet Impala / full size models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel...

Product#: 68291

1971-94 Impala / Full Size 283ci - 400ci Small Block Painted Full Length Hedman Hedders

Classic Industries® stocks a full line of Hedman Hedders™ for 1955-94 Chevrolet Impala / full size models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel...

Product#: 68640

1971-94 Impala / Full Size 283ci - 400ci Small Block Painted Shorty Hedman Hedders

Classic Industries® stocks a full line of Hedman Hedders™ for 1955-94 Chevrolet Impala / full size models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel...

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...