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PROMAXX Performance Maxx Series Small Block Ford Cylinder Heads 9175HF
Part Number: PMX-9175HF
PROMAXX Performance Maxx Series Small Block Ford Cylinder Heads
Cylinder Heads, Maxx Series, Hydraulic Flat Tappet, Assembled, Aluminum, 180cc Intake Runner, Ford, Windsor, Small Block, Pair
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Estimated Ship Date: Nov 6, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
9175HF
Part Type:
Product Line:
Summit Racing Part Number:
PMX-9175HF
Combustion Chamber Volume (cc):
60
Intake Runner Volume (cc):
180cc
Exhaust Runner Volume (cc):
66cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast 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
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.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Steel
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Rocker Arm Studs Included:
Yes
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
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:
Manganese bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
5-angle
Valve Seat Material:
Steel
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
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.
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Some parts are not legal for use in California or other states with similar laws / regulations
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