Description
Pair of Aluminum LS1 Cylinder Heads
Use on LS1 And LS3 Engines
Includes:
- 2.02" Stainless Intake Valves 4.920" length
- 1.57" Stainless Exhaust Valves 4.880" length
- 16 Conical Valve Springs (1.289" OD .550" Lift Max 105 lbs @1.80" and 260lbs @1.20" -1.140 coil bind) with spring cups
- 32 Hardened Keepers
- 16 Quality Valve Stem Seals
- Intake Runner 212, Exhaust Runner 76
- Cathedral Port Intake Shape
- 57 cc Chamber Volume
- Angle Plug
New Performance Cylinder Heads, Individually cast using the latest techniques. All machined surfaces are performed by CNC, including bolt holes, to achieve extreme accuracy in finishing. OEM bolt patterns are used for compatibility.
Additional Features:
- Meets and exceeds OEM Specifications
- Custom Designed Heads
- Chambers designed for improved flow
- Heat Treated T6 Aluminum