Cylinder Head Specifications: Combustion chamber volume: 54cc; Intake runner volume: 170cc; Exhaust runner volume: 60cc; Intake valve diameter: 1.94"; Exhaust valve diameter: 1.55"; Valve stem diameter: 11/32"; Valve guides: Maganese Bronze; Deck thickness: 5/8"; Valve spring diameter: 1.46"; Valve spring maximum lift: .600"; Rocker stud: 3/8"; Guideplate: N/A; Pushrod diameter: 5/16"; Valve angle: 23°; Exhaust port location: Stock; Spark plug fitment: 14mm x .750 reach, gasket seat. * Designed for 1992-97 LT1 small-block Chevy engines, these Performer cylinder heads deliver 24 horsepower over stock and raise the peak power level by 500 rpm. These heads are designed to accept factory style self-aligning rockers. Performer LT1 cylinder heads are 50-state street legal and accept factory centerbolt valve covers. They feature exhaust ports in the stock location for use with stock or aftermarket exhaust manifolds and headers. Match with RPM Air-Gap intake #7107, throttle body #3809 and camshaft #2108 for the Total Power Package combo. ** Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Match with Edelbrock head gasket sets.

This Part Fits:

Year	Make	Model	Submodel
1994-1996	Buick	Commercial Chassis	Base
1994-1995	Buick	Roadmaster	Base
1996	Buick	Roadmaster	Collector's Edition
1994-1995	Buick	Roadmaster	Estate Wagon
1996	Buick	Roadmaster	Estate Wagon Collector's Edition
1994-1995	Buick	Roadmaster	Limited
1996	Buick	Roadmaster	Limited Collector's Edition
1993	Chevrolet	Camaro	Indianapolis 500 Pace Car
1993-1997	Chevrolet	Camaro	Z28
1994-1996	Chevrolet	Caprice	Classic
1994	Chevrolet	Caprice	Classic LS
1994	Chevrolet	Commercial Chassis	Base
1993	Chevrolet	Corvette	40th Anniversary Edition
1992-1996	Chevrolet	Corvette	Base
1996	Chevrolet	Corvette	Collector's Edition
1996	Chevrolet	Corvette	Grand Sport
1995	Chevrolet	Corvette	Indianapolis 500 Pace Car
1994-1996	Chevrolet	Impala	SS
1993-1997	Pontiac	Firebird	Formula
1993-1997	Pontiac	Firebird	Trans Am
1994	Pontiac	Firebird	Trans Am GT