Factory Mast CNC Ported LV3 Cylinder Head - Pair with Valves
$ 1,100.00
Maximize your engine's potential with these high-performance CNC ported GM LV1/LV3 cylinder heads. Crafted for enthusiasts and racers who demand precision and superior airflow, these heads offer a significant boost in power and efficiency. Whether you're upgrading your factory setup or building a performance engine, these CNC ported heads are engineered to deliver optimal results.
Features:
- Precision CNC Porting: Designed with advanced CNC machining to ensure perfect airflow characteristics for maximum performance.
- High-Flow Intake and Exhaust Ports: Optimized porting increases the volume of air and fuel delivered to the combustion chamber, improving power output.
- Improved Valve Angles: Enhanced valve angles for smoother airflow and better combustion efficiency.
- Compatibility: Fits GM LV1/LV3. Ideal for performance builds or as an upgrade to stock heads.
Full Send, no compromises, no shortcuts, ever.
Dimensional Specs
- Bore Size: 3.780" (+)
- Weight: 30 lbs.
- Intake Valve Size: 1.928"
- Exhaust Valve Size: 1.556"
- Valve Stem Diameter: 8mm
- Valve Length:
- Intake Valve Angle: 12.5°x2.61°
-
Exhaust Valve Angle: 12°x2.38°
- Valve Spring Pocket Diameter: 1.325"
-
Valve Spring Install Height: 1.880"
- Head Stud Size: .427"
- Valve Guide OD: .500"
- Valve Job Type: Newen CNC 5 Angle
Air Flow & Performance Criteria
- Intake Max. Flow: 302 CFM @ 0.700" (estimated)
- Exhaust Max. Flow: 212 CFM @ 0.700"
- Intake Average Flow: 217 CFM
- Exhaust Average Flow: 156 CFM
- Intake Seat Material: OE Seat Material
- Intake Port Volume: 273cc
- Exhaust Port Volume: 114cc
- Standard Chamber Volume: 58cc
-
Port Type: CNC
Materials
- Cylinder Head Material: 319-T7 Aluminum
- Intake Valve Seat Material: OE Seat Material
- Exhaust Valve Seat Material: OE Seat Material
- Deck Thickness: .300"
- Rocker Stand Type: Pedestal
- Rocker Arm Type: Factory LT/LS7 Exhaust 1.8 Ratio
- Guide Material: Powdered Metal
General
- Rocker Stand Type: Pedestal
- Rocker Stands Included: Built-In
- Rocker Stand Dowels Included: N/A
- Uses Stock Rocker Bolts: Yes
- Rocker Bolts Included: No
- Rocker Arm Type: Factory LT/LS7 Exhaust 1.8 Ratio
- Head Bolt QTY: 4 Bolt Style
- Valve Cover Rail Height: Stock
- Can use OE Valve Cover: Yes
Custom Options Available
- Head Assembly