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PROMAXX Performance Freedom Series Big Block Chevy Cylinder Heads 2211

PROMAXX Performance 2211 - PROMAXX Performance Freedom Series Big Block Chevy Cylinder Heads

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Cylinder Heads, Aluminum, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Pair

Estimated Ship Date: Today Would you rather pick it up? Select Location

  • The part PMX-2211 has an additional shipping charge of $8.00 per item due to its large size and/or weight.

Manufacturer's Part Number: 2211
Part Type: Cylinder Heads
Summit Racing Part Number: PMX-2211

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 119
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 320cc
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Shape: Rectangular
Intake Port Location: Standard
Exhaust Port Shape: Round
Exhaust Port Location: Standard
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.250 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.880 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.600 in.
Damper Spring Included: No
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 7/16-20 in.
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: Yes
Guideplate Pushrod Size: 3/8 in.
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: Ductile iron
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold as a pair.
Notes: Be sure to verify clearance during engine pre-assembly when using any domed piston.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These PROMAXX Performance Freedom Series big block Chevy cylinder heads offer exceptional quality at an unbelievable price. They are manufactured from high-quality aluminum and assembled with the finest parts. The PROMAXX Performance Freedom Series big block Chevy cylinder heads feature 1-piece stainless steel 2.250 in. intake and 1.880 in. exhaust valves, 320cc CNC bowl-blended intake runners, and 119cc combustion chamber and hydraulic flat tappet valve springs with steel retainers. The heads include 7/16 in. screw-in rocker arm studs and guideplates for 3/8 in. pushrods.

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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