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PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2121

PROMAXX Performance 2121 - PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads

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$968.00

Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair

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  • This part is normally shipped directly from the manufacturer / Supplier.

  • Order this item and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Estimated Ship Date: 8/15/2014 (if ordered today) Would you rather pick it up? Select Location

Manufacturer's Part Number: 2121
Part Type: Cylinder Heads
Summit Racing Part Number: PMX-2121

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 64
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 225cc
Exhaust Runner Volume (cc): 70cc
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: Straight
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.080 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.575 in.
Outside Diameter of Outer Spring (in): 1.270 in.
Damper Spring Included: Yes
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Lock Style: Stock
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 3/8-24 in.
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: Yes
Guideplate Pushrod Size: 5/16 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.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

PROMAXX Performance Freedom Series small block Chevy cylinder heads offer exceptional quality at an unbelievable price. They are manufactured from high-quality aluminum and assembled with the finest components. PROMAXX Performance Freedom Series small block Chevy cylinder heads feature one-piece stainless steel intake and exhaust valves, enhanced intake runners, and performance valve springs with steel retainers. They are available in straight or angle plug designs. Horsepower costs money. With Freedom Series small block Chevy cylinder heads, PROMAXX Performance offers you the opportunity to bolt on the power that you've been looking for, at the price you want!

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

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