PROMAXX Performance Maxx Series Small Block Ford Cylinder Heads 9175

Brand: PROMAXX Performance Manufacturer's Part Number: 9175 Part Type: Cylinder Heads Product Line: PROMAXX Performance Maxx Series Small Block Ford Cylinder Heads Summit Racing Part Number: PMX-9175 Combustion Chamber Volume (cc): 60 Intake Runner Volume (cc): 180cc Exhaust Runner Volume (cc): 66cc Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Intake Port Shape: Rectangular Intake Valve Diameter (in.): 2.020 in. CNC-Machined Combustion Chamber: No CNC-Machined Intake Runner: No CNC-Machined Exhaust Runner: No Intake Port Location: Standard Exhaust Port Shape: Square Exhaust Port Location: Standard Spark Plug Style: Angle Intake Valves Included: Yes Exhaust Valves Included: Yes Exhaust Valve Diameter (in.): 1.600 in. Valve Springs Included: Yes Maximum Valve Lift (in.): 0.600 in. Camshaft Style: Hydraulic roller Outside Diameter of Outer Spring (in.): 1.450 in. Damper Spring Included: Yes Number of Springs Per Valve: Dual Retainers Included: Yes Locks Included: Yes Lock Style: 7 degree Valve Stem Seals Included: Yes Rocker Arm Studs Included: Yes Rocker Arm Nut Thread Size: 3/8 in.-24 Rocker Arms Included: No Rocker Arm Nuts Included: No Guideplates Included: Yes Valve Cover Mounting Style: Perimeter bolt Accessory Bolt Holes Drilled: Yes Intake Valve Angle: 20 Exhaust Valve Angle: 20 Valve Guides Included: Yes Valve Guide Material: Bronze Valve Seats Machined: Yes Valve Seat Machine Style: 5-angle Valve Seat Material: Ductile iron Cylinder Head Color: Natural Steam Holes Drilled: No Oiling Style: Through pushrod Machined for O-Ring: No Heat Crossover: No Quantity: Sold as a pair. PROMAXX Performance Maxx Series Small Block Ford Cylinder Heads Maximum quality, maximum performance, and minimum pricing—PROMAXX Maxx Series SBF cylinder heads take affordable power to the next level. With ultra-smooth Grade A 356-T6 aluminum castings that are precision machined, these small block Ford heads deliver awesome air speeds with super-efficient chamber designs to produce the power and torque you've sought for your setup. Maxx cylinder heads feature 5-angle competition valve jobs, diamond-honed bronze guides, and hand bowl blending. They also offer these heads bare. Get superb out-of-the-box performance, without emptying your wallet, when you order PROMAXX Maxx Series small block Ford cylinder heads.