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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: Tomorrow 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.

Brand: PROMAXX Performance

Manufacturer's Part Number: 2211

Part Type: Cylinder Heads

Product Line: PROMAXX Performance Freedom Series Big Block Chevy 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.

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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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