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Description
Power Driven Stage 3 CNC-Ported Race Cylinder Head for 89-98 12v CumminsPower Driven's 12v Cummins Stage 3 CNC Ported Race Cylinder Head features a new aftermarket casting that is surfaced to OEM specifications in house using state of the art equipment to ensure reliable head gasket sealing, then is machined for fire rings to provide the ultimate seal possible with a fire ring head gasket. These heads receive Power Driven's Race Port as well as enlarged pushrod holes for better clearance and improved oil drain back, and
Power Driven's 12v Cummins Stage 3 CNC-Ported Race Cylinder Head features a new aftermarket casting that is surfaced to OEM specifications in-house using state-of-the-art equipment to ensure reliable head gasket sealing, then is machined for fire-rings to provide the ultimate seal possible with a fire-ring head gasket. These heads receive Power Driven's Race Port as well as enlarged pushrod holes for better clearance and improved oil drain-back, and threaded freeze plugs for reliable operation at high rpm.
After porting, valve seat work is performed to fit larger aftermarket 1.87" intake and 1.75" exhaust valves. In addition, every CNC-ported Power Driven cylinder head is machined for compatibility with our Doweled Batwing Rocker Pedestals. Our expert technicians then assembled this head with OEM top-hat-style seals and Power Driven Race Conical Valve Springs.
The Power Driven Diesel Race Port is the most extreme CNC port job that can be achieved with the factory intake shelf intact. It outflows many of the competitor's bolt-on shelf/runner intake heads, while retaining the reliable factory shelf and water cooling. On our SuperFlow 1020 test bench, this port produced a 68% increase on the intake and a 65% increase on the exhaust. This port flows an incredible 234 CFM on the intake and 232 CFM on the exhaust at 28".
In real-world back-to-back dyno testing on a 1,500 hp race truck, the higher flow from this race port showed a 119 hp gain versus the baseline stock head. This head is designed for use with an aftermarket high-lift camshaft and is not intended for street use. While it is possible to run this head on the street, the thin port walls and heavy valve spring pressure are not ideal for longevity in a street application. If you're looking for the ultimate water-cooled head for a dedicated 12v Cummins race engine, this is it!
Features:
- Fire-ringed deck surface
- Race port
- Pushrod clearance
- Threaded freeze plugs
- Top-hat valve stem seals
- Oversized 1.87" intake valves
- Oversized 1.75" exhaust valves
- Race conical valve springs and retainer
The Power Driven CNC Stage 3 Race Port Cylinder Head is compatible with:
- 1989 Dodge 5.9L 12v Cummins
- 1990 Dodge 5.9L 12v Cummins
- 1991 Dodge 5.9L 12v Cummins
- 1992 Dodge 5.9L 12v Cummins
- 1993 Dodge 5.9L 12v Cummins
- 1994 Dodge 5.9L 12v Cummins
- 1995 Dodge 5.9L 12v Cummins
- 1996 Dodge 5.9L 12v Cummins
- 1997 Dodge 5.9L 12v Cummins
- 1998 Dodge 5.9L 12v Cummins
*May not work for all builds due to other engine/vehicle modifications
This product cannot ship to California
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy