70-74 383HP-400HP-440HP Exhaust Manifold Heat Riser Repair Kit with Instructions 383400440 (TP-BBHTRSR)

This listing is for a correct-style heat riser repair kit, designed specifically for high-performance Mopar big block applications.

Product Overview:

Designed for 1970–1972 383HP, 400HP, and 440HP engines

Fits the right-side (passenger) exhaust manifold just like the originals

Reproduced with all correct factory-style markings for authenticity

Includes all parts, hardware, and detailed step-by-step installation instructions

Why This Kit Matters:
High-performance engines used a different heat riser assembly to accommodate the larger diameter exhaust manifold. Most original risers are:

Missing

Seized/frozen

Broken or incomplete

This kit is a direct-fit repair solution, restoring proper function and factory-correct appearance.

What’s Included:

Complete heat riser assembly

Correct hardware

Factory-style tension spring

Spacer, shaft, valve plate, and bushing components

Full-color installation instructions

Applications:
Fits all 383HP and 440HP-equipped:

1970–1971 E-Body:

Dodge Challenger

Plymouth Cuda

1970–1974 B-Body:

Dodge Charger

Dodge Coronet R/T

Dodge Super Bee

Plymouth Road Runner

Plymouth GTX

Plymouth Superbird