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PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9185S
Part Number: PMX-9185S
PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads
Cylinder Heads, Project X, Aluminum, Bare, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair
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Estimated Ship Date: Jan 4, 2027 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
9185S
Part Type:
Product Line:
Summit Racing Part Number:
PMX-9185S
Combustion Chamber Volume (cc):
64
Intake Runner Volume (cc):
185cc
Exhaust Runner Volume (cc):
66cc
Cylinder Head Style:
Bare
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:
Rectangular
Exhaust Port Location:
Standard
Spark Plug Style:
Straight
Intake Valves Included:
No
Exhaust Valves Included:
No
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
No
Damper Spring Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Valve Cover Mounting Style:
Perimeter bolt
Accessory Bolt Holes Drilled:
Yes
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 Project X Small Block Chevrolet Cylinder Heads
PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision machining, and an array of assembled options, as well as being available bare. For high-flowing cylinder heads at a great price, get PROMAXX Performance Project X small block Chevrolet 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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