Speedmaster PCE281.2003 Aluminum Complete Cylinder Heads (Chevy Small Block Gen I)

Speedmaster PCE281-2003: Cylinder Heads, As-Cast, Assembled, Aluminum, 64cc Chamber, 190cc Intake Runner, for Hydraulic Roller Camshaft, Chevy, 302, 327, 350, Pair - Speedmaster as-cast cylinder heads offer improved power throughout the entire rpm range for greater throttle response and top-end performance. Speedmaster as-cast cylinder heads are designed for entry-level street/strip applications and are available for popular V8 engines (bare or assembled). Order the model recommended for fitment with your year/make and engine size.Features and benefits Include:. Bronze valve guides. CNC-finished faces and bolt holes for extreme accuracy. T6 heat-treated gravity die-cast construction (alloy heads only). OEM accessory bolt patterns. Plenty of material for upgrading to larger horsepower applications. Machined for screw-in studs and guide plates. Flame-hardened valve seats for use with all fuel Speedmaster. PCE281-2003 fits these applications: CHEVROLET 5.7L/350 Chevy small block Gen I, CHEVROLET 5.4L/327 Chevy small block Gen I, CHEVROLET 5.0L/302 Chevy small block Gen I.