Recommended for engines with 4.000 inch bore or larger. Maximum competition, competition modified drag racing, circle track. Over 7,000 RPM. Dart’s PRO1 LS 15 Deg 250cc CNC ported Aluminum cathedral port cylinder heads for GM LS series small block V8 engines take performance to the next level. This LS CNC cathedral port head is machined on a dedicated casting with extra thick sections to maintain the proper wall thickness after porting. Due to the large diameter intake valves, the Dart LS CNC head is recommended for use on engines with 4.000 inch and larger cylinder bores. Precise computer controlled CNC machining, multi-angle intake seats, and radiused exhaust seats enhance airflow. Extra material above the ports accommodates valve train upgrades.
Additional Attributes:
GTIN: 00807051003772
CNC Ported: Yes
Combustion Chamber Volume: 68.00
Cylinder Head Material: RMR Cast Aluminum Alloy
Cylinder Head Series: Pro1
Engine – Web: LS Gen III
Engine Type: ICE
Engine: LS Gen III
Exhaust Valve Diameter: 1.600
Industry: Automotive
Intake Valve Diameter: 2.080
Make – Web: Chevrolet
Make: Chevrolet
Port Volume: 250.00
Product Type: Engine Cylinder Head
Prop 65 (C, R or CR): CR
Prop 65 Yes/No: Yes
Spring: Bare
Valve Angle: 15
Extended Information:
Emissions : 1
Life Cycle Status: Available To Order
Packaging:
Quantity of Each: 1
Package UOM: EA
Dimension: 22.250 x 7.000 x 9.000 inches
Weight: 28.000 PG
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