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Nova Exhaust Manifold Heat Riser Assembly, Small Block, GM,1967-1974
Model: 3258089
Condition: NEW
  Stock Replacement Correct Original Factory Appearance Fits Small Blocks …
Nova Exhaust Manifold Heat Riser Assembly, Big Block, GM, 1967-1973
Model: 3250391
Condition: NEW
High Quality Reproduction Heat Riser Correct Original Factory Appearance For Big Block Applications Will Also Work For Small Blocks Requiring 2.5" Port 2.5" Port The manifold heat valve forces hot exhaust gases up around the base of the…
Classic Nova 2024