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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

Product Line: Summit Racing® Vortec 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.

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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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