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400\" valve relief, 3 5/16\" bore 4\" stroke = 9 : 1 CR, 3 5/16\" bore 3 3/4\" stroke = 8.6 : 1 CR Offenhauser 1068-400 1939-48 Ford Flathead Finned Aluminum Heads Sku # 5601068 Mfr. Part # 1068-400 Condition New Brand Offenhauser Sold Pair Details These Offy flathead Ford heads are finned for high heat dissipation, bigger water capacity for "built" engines and everybody knows, nothing beats a full-dress flathead for beauty! Heads have a .400" valve relief.
3-5/16" bore, 4" stroke = 9:1 compression ratio
3-5/16" bore, 3 3/4" stroke = 8.6:1 compression ratio.
Specs Cylinder Head Style Bare Material Type Aluminum Finish Natural Exhaust Port Shape Round Notes Temp sender provision is 3/8" NPT. Sold in Quantity Pair MFG. Part # 1068-400 Reviews The heads were great. Rated by RMG on January 28, 2022
Summary: Did not know that I need to build spacers and longer studs to mount the oil filter because of the fins on the head.
Yes, I recommend this product.
I think this product is a good one to buy. Rated by D.L. on April 11, 2019
Summary: Used on a 1946 Ford flathead, I am pleased with the heads but thought the finnish would be shineier.
Yes, I recommend this product.
Nice set up Rated by Mike on December 30, 2015
Summary: Very good qaulity
Yes, I recommend this product.
Great Product Rated by Deano on September 03, 2013
Summary: Looks and performs just as recommended by the staff at Speedway, also suggest all the gear to hook my flatty up to a sagnaw 4 speed - all fits and works perfectly.
Yes, I recommend this product.
period correct parts Rated by Newell W King on September 18, 2012
Summary: looks nice but not polished to show quality with some elbow grease and time can be brought to look nice
Yes, I recommend this product.
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