- Accurate Reproduction
- Officially Licensed GM Restoration Part
- Correct Original Casting Numbers
- LH 3909879, RH 3916178
- Correct For 1967-1970
- Replacement For 1971-1972
- Hardware Not Included
The exhaust manifold collects gasses from the cylinders and funnels them into a single pipe. Manifolds can rust over time hindering their performance. The El Camino Store offers these accurate reproduction manifolds for your restoration. Designed for Chevy big block engines, these exhaust manifolds feature the correct GM casting numbers (LH 3909879, RH 3916178) and are correct for 1967, 1968, 1969 and 1970 but will fit 1971 and 1972. Without smog fittings.