Product#: 8358

1958-64 Impala / Full Size 265-400ci 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#: 68180

1958-64 Impala / Full Size 396ci - 502Ci Big 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#: 8309

1958-64 Impala / Full Size Chevrolet 348, 409 Doug"S Ceramic Coated Tri-Y Design Headers

These Tri-Y design headers yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy. Every header is tuned with the proper tube size...

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#: 68231

1958-64 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#: 68238

1958-64 Fullsize Small Block Full Length Hedman Elite Headers - Thermal Coated

Emission Notes: 1958-64 vehicles have no factory emission systems. 50 state legal for use on vehicles as long as existing emission controls are not removed.

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...