Dart Pro1 Aluminum Big Block Chevy Cylinder Heads
For street performance, mild bracket racing and marine. Under 6,800 RPM, under 500 cubic inches. Excellent mid-range torque and power, good for heavier vehicles. A new high velocity oval port design makes this head an ideal choice for street cars and trucks. The PRO1's race proven features include rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports, and fast burn chambers. Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats with hardened, radiused exhaust seats are standard. Best of all, our precision cast ports produce outstanding airflow without time consuming porting. Assemblies include Stainless Steel valves, premium springs, locks, retainers, guide plates and seals.
For street performance, mild bracket racing and marine. Under 6,800 RPM, under 500 cubic inches. Excellent mid-range torque and power, good for heavier vehicles. A new high velocity oval port design makes this head an ideal choice for street cars and trucks. The PRO1's race proven features include rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports, and fast burn chambers. Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats with hardened, radiused exhaust seats are standard. Best of all, our precision cast ports produce outstanding airflow without time consuming porting. Assemblies include Stainless Steel valves, premium springs, locks, retainers, guide plates and seals.
- 110cc chamber heads available upon request.
- Heads are sold individually
Information:
Dart Pro1 Aluminum Big Block Chevy Cylinder Heads| Attributes | |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Category | Cylinder Heads |
| Category Hierarchy | Heads>Big Block Chevy>Pro1 |
| CNC Ported | Yes |
| Combustion Chamber Volume | 121.00 |
| Country of Origin (Primary) | US |
| Cylinder Head Material | RMR Cast Aluminum Alloy |
| Cylinder Head Series | Pro1 |
| EBAY Category ID | 33617 |
| Emission Code | Legal US |
| Engine | Big Block |
| Engine - Web | Big Block |
| Engine Type | ICE |
| Exhaust Valve Diameter | 1.880 |
| Hazardous Material Code | N |
| Industry | Automotive |
| Intake Runner Volume | 275.00 |
| Intake Valve Diameter | 2.190 |
| Life Cycle Status Code | Available to Order |
| Make | Chevrolet |
| Make - Web | Chevrolet |
| Material | RMR Cast Aluminum Alloy |
| NAFTA Preference Criterion Code | B |
| Port Volume | 275.00 |
| Product Type | Engine Cylinder Head |
| SDR Required Flag | N |
| Series | BBC Pro1 Aluminum Chevrolet Big Block Heads |
| Subcategory | Cylinder Heads |
| Title - Web | Pro1 Chevrolet Big Block Head - 275.00 CC Port, 121.00 CC Chamber |
| Valve Angle | 24 |
| Valve Spring Diameter | 1.550 |
| Valve Spring Maximum Lift | 0.700 |
| Valve Spring Type | Single |
| Warranty Time | 30 |
| GTIN | 00807051011296 |