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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
Edelbrock Cylinder Head Pontiac Performer RPM 72cc for Hydraulic Roller Cam Complete (Ea)Cylinder Head Specifications:; Combustion chamber volume: 87cc; Intake runner volume: 215cc; Exhaust runner volume: 175cc; Intake valve diameter: 2. 11"; Exhaust valve diameter: 1. 66"; Valve stem diameter: 11 32"; Valve guides: Manganese bronze; Deck thickness: 5 8"; Valve spring diameter: 1. 46"; Valve spring maximum lift: . 575"; Rocker stud: 7 16"; Guideplate: Hardended steel; Pushrod diameter: 5 16"; Valve angle: 14; Exhaust port location: Stock
Cylinder Head Specifications:; Combustion chamber volume: 87cc; Intake runner volume: 215cc; Exhaust runner volume: 175cc; Intake valve diameter: 2.11"; Exhaust valve diameter: 1.66"; Valve stem diameter: 11/32"; Valve guides: Manganese bronze; Deck thickness: 5/8"; Valve spring diameter: 1.46"; Valve spring maximum lift: .575"; Rocker stud: 7/16"; Guideplate: Hardended steel; Pushrod diameter: 5/16"; Valve angle: 14°; Exhaust port location: Stock Ram Air IV; Spark plug fitment: 14mm x 3/4 reach, gasket seat. These cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. Performer heads #60579/#60575 are 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio. Our Performer RPM heads with the 72cc combustion chamber are for higher compression engines. Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter. They include valve guides and seats installed with no intake pushrod holes. Performer RPM #60587 is not port matched or bowl blended and is NHRA accepted for Stock & Super Stock. INSTALLATION NOTE: These heads require Ram Air IV (round port) style exhaust manifolds or headers and Edelbrock head bolt kit #8549. Deck thickness: 5/8", rocker stud diameter: 7/16", pushrod diameter: 5/16" (width of slot in guide plate).Installation Instructions
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Installation Instructions
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.6 ★★★★★
Based on 1988 reviews
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Product Reviews
★★★★★ 3
cute but cheap quality
Size: 9.5, Color: Nude
comfortable but poor quality. I only wore these 3 times and the 4th time the top cross strap broke. do not recommend!
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Reviewed in the United States on April 2, 2025
★★★★★ 5
Great nude shoe!
Size: 10, Color: Nude
Perfect nude dressy heal. Was not uncomfortable at all. I thought my toes would be sliding out. I did put grips on the bottoms because they are a tiny bit slippery and I am prone to falling. Cute and didn’t distract from my dress.
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Reviewed in the United States on August 1, 2025
★★★★★ 2
Only wear for short distances
Size: 8, Color: Nude
These heeled sandals were very cute and flattering. After a couple minutes of walking, my feet began to hurt. I got blisters upon removal. A few days later I tried wearing them again, it is still extremely painful. Great for pictures though!
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Reviewed in the United States on May 19, 2023
★★★★★ 5
It fits very well
Fit Type: Slim Fit, Color: Navy Teal Green Palm Leaf Print, Size: Large
Good quality shirt with the money
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Reviewed in the United States on April 9, 2026
★★★★★ 5
good short sleeved summer shirt
Fit Type: Slim Fit, Color: Navy Teal Green Palm Leaf Print, Size: X-Large
This shirt was very well constructed, with good fabric. I washed and hung to dry; no wrinkles
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Reviewed in the United States on May 27, 2026