Fits 1970-1974 GM LS 2nd Gen Tube Size 1-7/8 Mid-Length Header-Ceramic 2472-1HKR aeromotive Mercury Monterey (1950-1953

Mercury Monterey (1950-1953

or 8HP90 Transmissions (Requires Transmission Specific Adapter Plate)

used for decades in circle track racing around the world

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5461767

Fits 1970-1974 GM LS 2nd Gen Tube Size 1-7/8 Mid-Length Header-Ceramic 2472-1HKR aeromotive Mercury Monterey (1950-19531970 1974 GM LS 2nd Gen (Camaro Firebird) Mid Length Engine Swap Headers for hot LS1 LS6 LS2 (cam,heads,nitrous), 6. 2L(L92)Vortec truck, LS3 or all supercharged LS Vortec engine swaps requiring maximum ground clearance. Not legal for use on pollution controlled motor vehicles. Features: Premium fitment with optimized ground clearance Laser cut 3 8? flanges with flat finished TIG welded port sealing 1 7 8? primaries 3" collectors Designed and intended