Detroit Speed Hydroformed Front Subframe with Single Adjustable Shocks (70-81 Small Block V8/LS Firebird)Find parts that fit my vehicle

Detroit Speed's front subframe is a bolt-in replacement for the original stock subframe. It improves the handling and ride quality by utilizing DSE's unique suspension geometry. It is the ONLY subframe in the aftermarket industry with hydroformed frame rails. The hydroformed frame rails feature strength and stiffness, precise quality and repeatability. Hydroforming preserves the steel's strength and stiffness because it is performed at low temperatures, unlike traditional high temperature processes which decrease material strength.Spring Rate: 550lbs/inSpring Free Length: 8inUp to a 10" wide wheel can be packaged without modification to the inner wheel wells. Both the main and secondary crossmembers are stamped for structural rigidity. SBC, BBC, LS1, LS2, and LS7 engines have been designed as a direct bolt-in into this subframe.Our subframe has been designed, engineered, and developed for the road and track. This subframe blends the benefits of current OEM technology and aftermarket performance into one product!The subframe is available uncoated and unassembled for your SBC, BBC, LS, or Pontiac engine. We also offer the subframe powdercoated satin black and assembled.Single Adjustable Shock:Includes all features of base shock with 'Detroit Tuned' valving plus installed rebound adjustment with the simple turn of a knob while providing excellent ride quality on the street.

Fitment:

• 1970 Pontiac Firebird
• 1971 Pontiac Firebird
• 1972 Pontiac Firebird
• 1973 Pontiac Firebird
• 1974 Pontiac Firebird
• 1975 Pontiac Firebird
• 1976 Pontiac Firebird
• 1977 Pontiac Firebird
• 1978 Pontiac Firebird
• 1979 Pontiac Firebird
• 1980 Pontiac Firebird
• 1981 Pontiac Firebird

Details

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov