Proflow Cylinder Heads, LS SuperMax-B 260, Aluminium, Bare Cylinder Heads, LS3/L76/L77/L92/L98/LSX, 260cc Intake, 70cc Chamber, Aluminium, Bare, Pair
Part No:PFEAHCLS3-260-BARE
Proflow does not sacrifice quality for a low price- you get both with our aluminium cylinder heads. Our LS3 cylinder heads are designed for street / race performance engines to give the ultimate in flow at a competitive price. Cast from A356 aluminium, these 15 LS3 rectangle port heads are designed to fit LS series engines with a 4.00" or larger bore. These bare 275cc heads accept 2.165" diameter intake valves and 1.60" exhaust valves and have a 0.625" deck thickness. Suits 6-bolt standard or LSX block designs.
Specifications:
-
Specifications:
- Material: A356 Aluminium
- Combustion Chamber: 70cc
- Intake Port Volume: 260cc
- Intake Port Dimension: 1.285" x 2.60"
- Exhaust Port Volume: 100cc
- Exhaust Port Dimension: 1.47" H x 1.64" W
- Spark Plug Location: OE
- Intake Valve Diameter: 2.145" x 4.89"
- Exhaust Valve Diameter: 1.60" x 4.89"
- Valve Stem Diameter: 8mm
- Valve Spring Pocket I.D.: 1.30"
- Valve Guide Material: Manganese Bronze
- Valve Guide O.D.: 0.502" (.560" at base)
- Rocker Design: LS3 Rails required
- Valve Angle: 15
- Deck Thickness: 0.625"
Proflow does not sacrifice quality for a low price- you get both with our aluminium cylinder heads. Our LS3 cylinder heads are designed for street / race performance engines to give the ultimate in flow at a competitive price. Cast from A356 aluminium, these 15 LS3 rectangle port heads are designed to fit LS series engines with a 4.00" or larger bore. These bare 275cc heads accept 2.165" diameter intake valves and 1.60" exhaust valves and have a 0.625" deck thickness. Suits 6-bolt standard or LSX block designs.
Specifications:
-
Specifications:
- Material: A356 Aluminium
- Combustion Chamber: 70cc
- Intake Port Volume: 260cc
- Intake Port Dimension: 1.285" x 2.60"
- Exhaust Port Volume: 100cc
- Exhaust Port Dimension: 1.47" H x 1.64" W
- Spark Plug Location: OE
- Intake Valve Diameter: 2.145" x 4.89"
- Exhaust Valve Diameter: 1.60" x 4.89"
- Valve Stem Diameter: 8mm
- Valve Spring Pocket I.D.: 1.30"
- Valve Guide Material: Manganese Bronze
- Valve Guide O.D.: 0.502" (.560" at base)
- Rocker Design: LS3 Rails required
- Valve Angle: 15
- Deck Thickness: 0.625"