ProMaxx CNC Ported Ford SB (289-351W) Aluminum Heads These full CNC ported heads are what the small block Ford stroker engine wants and needs. The professionally designed CNC port flows like the top brands in the industry over 325 cfm. Compare flow numbers and then look at the price. Made right here in the U.S.A. using Grade A 356-T6 aluminum and custom 5 axis CNC machining. 5 angle competition valve job, diamond honed bronze guides, and hand bowl blending. Fully CNC 210cc intake ports, exhaust and 64cc chambers.
Part Type: Cylinder Head Application: Ford Small Block (289-351W) Stud Mount Cylinder Head Material: Aluminum Bare or Assembled: Bare Combustion Chamber Size: 64cc CNC Machined Combustion Chambers: Yes Intake Valve Angle: 20 Exhaust Valve Angle: 20 Intake Port Volume: 210cc CNC Machined Intake Port: Yes Intake Port Flow: Intake Port Location: Standard Intake Port Shape: Rectangular Intake Port Dimensions: Suggested Intake Gaskets: Exhaust Port Volume: CNC Machined Exhaust Port: Yes Exhaust Port Flow: Exhaust Port Location: Standard Exhaust Port Shape: Square Exhaust Port Dimensions: Suggested Exhaust Gaskets: Suggested Spark Plug: Valve Guides: Valve Guide Spacing: Valve Stem Diameter: Valve Seats: Valve Job: 5-Angle Intake Valve Diameter: 2.080" Intake Valve Included: No Exhaust Valve Diameter: 1.600" Exhaust Valve Included: No Suggested Valve Length: Valve Spring Pockets: Valve Springs Included: No Valve Spring Application: NA Valve Springs Retainers Included: No Valve Locks Included: No Valve Seals Included: No Rocker Studs Included: No Guide Plates Included: No Valve Cover Mounting Style: Perimeter bolt Steam Holes Drilled: No Heat Crossover: No Suggested Head Bolts: Suggested Head Studs: Suggested Stud Girdle: Head Bolt Torque with Oil: Rocker Stud Torque with Oil: Intake Bolt Torque with Oil: Manufacturer: ProMaxx Performance Manufacturer's Part Number: 92114 Weight: Warranty: Race Application, No warranty expressed or implied Quantity: Sold as Pair |