Small Block Ford
- For 302 to 463ci engines operating below 6,000 rpm
- Intake Port Volume: 185cc
- Intake Port Dimension: 2.010 in. H x 1.070 in. x 5/16 in. Radius
- Intake Port Location: Stock
- Exhaust Port Volume: 64cc
- Exhaust Port Dimension: 1.370 in. H x 1.350 in. W
- Exhaust Port Location: Stock
- Valve Spring Pocket Diameter: 1.540 in. O.D
- Max Valve Spring Pocket Machining: 1.600 in. O.D
- Deck Thickness: .325 in.
- Minimum Bore Diameter: 4.000 in.
- Reduce Combustion Chamber Size 1 cc by Flat-Milling .006 in. from Deck Surface, Maximum Mill .030 in. to achieve 54 cc.
- Spark Plug Dimensions: 14 mm x .750 in. with Gasket Seat Such as Autolite 417-AR3924
Emissions: This product is not legal for sale or use on emission-controlled vehicles, and is intended for dedicated race vehicles only
What’s the maximum lift you can run with the provided valve springs?
Will these heads work with a flat tappet cam?
Can these be used with a 89 5.0 Block with a roller cam?
How come every company list this part number at 60 to 64cc combustion chamber size and here now 59cc, what is the true size!
Would this work on a stock 1996 f150 5.0 302 efi and would it be good pair with the trick flow stage 1 cam
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WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.