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Summit Racing® Vortec Cylinder Heads SUM-151124

Summit Racing SUM-151124 - Summit Racing® Vortec Cylinder Heads

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Cylinder Head, Vortec, Cast Iron, Assembled, 67cc Chamber, 175cc Intake Runner, Chevy, 5.7L, Each

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Brand: Summit Racing
Manufacturer's Part Number: SUM-151124
Part Type: Cylinder Heads
Summit Racing Part Number: SUM-151124

Cylinder Head Style: Assembled
Cylinder Head Material: Cast iron
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 67
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 175cc
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): 1.940 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.500 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.520 in.
Outside Diameter of Outer Spring (in): 1.250 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: Umbrella
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: No
Valve Cover Mounting Style: Centerbolt
Accessory Bolt Holes Drilled: Yes
Valve Guides Included: Yes
Valve Guide Material: Cast iron
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: Vortec style cylinder heads must be used with Vortec style intake manifolds, no exceptions. Click the "Suggested Parts" tab for Vortec style intake manifold options. Machine work must be done to accommodate guide plates.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Are you looking for a good set of heads to up the performance factor of your Vortec engine? Our Summit Performance® Vortec cylinder heads have what it takes to get the job done. Featuring wide-open intake runners, efficient combustion chambers, and a high-performance valve job, these heads deliver all of the power-building airflow you need. Made from superior iron alloy, these heads come ready-to-run for improved performance straight out of the box.

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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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