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Edelbrock Performer RPM Xtreme Small Block Ford Cylinder Heads 51259

Edelbrock 51259 - Edelbrock Performer RPM Xtreme Small Block Ford Cylinder Heads

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Cylinder Head, RPM Xtreme, Aluminum, Assembled, 59cc Chamber, 185cc Intake Runner, Ford, 351W, Each

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Edelbrock Performer RPM Xtreme Small Block Ford Cylinder Heads

Part Type: Cylinder Heads
Brand: Edelbrock
Manufacturer's Part Number: 51259
Part Type: Cylinder Heads
Product Line: Edelbrock Performer RPM Xtreme Small Block Ford Cylinder Heads
Summit Racing Part Number: EDL-51259

UPC: 085347512591
Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 59
CNC-Machined Combustion Chamber: Yes
Intake Runner Volume (cc): 185cc
Exhaust Runner Volume (cc): 75cc
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Shape: Rectangular
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Standard
Spark Plug Style: Angle
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.020 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.570 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.600 in.
Outside Diameter of Outer Spring (in): 1.290 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Valve Stem Seal Style: Positive stop
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: 5/16 in.
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 18
Exhaust Valve Angle: 18
Valve Guides Included: Yes
Valve Guide Material: Manganese bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Ductile iron
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold individually.
Notes: The intake runners feature a CNC profiled entry and the exhaust runners feature a CNC profiled exit. They are not fully CNC ported.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Designed for 351 Windsor and larger high-performance street and racing applications, Edelbrock's Performer RPM Xtreme cylinder heads give you the best combination of as-cast port design and CNC porting technology. This proven combination provides you with a powerful cylinder head at a lower cost than a typical fully CNC'd head. They feature an 18 degree valve angle, CNC-machined 59cc combustion chambers, 185cc intake ports, lightweight 2.02 in. intake and 1.570 in. valves with 8mm stems, and beehive valve springs.

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

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