• Fits automatic and manual transmissions.
• Universal block hugger design.
• Weld on oxygen sensor bungs are provided with the collector reducer kit.
• Requires use of Street & Performance (or equivalent) billet aluminum adaptors, along with D & P Chassis (or equivalent) Chevy frame stands.
• LS1/LS6 engines require the use of a LS1 oil pan for proper header fit.

Emission Code:

• The product accompanying this document is legal only for off-highway use(except in California or states that have adopted California emission standards),racing use or for use on pre-emission-controlled motor vehicles/motor vehicleengines (pre-1974 domestic vehicles certified to California standards, pre-1974domestic vehicles certified to federal standards and all pre-1974 foreignvehicles), per the manufacturer's application guide.