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Tru2Chevy · 03-03-2010, 05:52 PM

Yes, they make for a good upgrade on 305 cars. They have a 58cc chamber so you won't have the compression loss that you would going with a larger head. The heads are casting number 113, and can be found on all TPI corvettes and ZZ4 350 HO crate motors.

I bought a set from Contemporary Corvette in Bristol, PA several years ago (they go by the name F Parts on ebay).

- Justin

03-03-2010, 05:52 PM	#9
Tru2Chevy Co-Founder / Site Admin Join Date: Jul 2004 Location: Ewing, NJ Posts: 22,476 iTrader: (8) Social Networks:	Yes, they make for a good upgrade on 305 cars. They have a 58cc chamber so you won't have the compression loss that you would going with a larger head. The heads are casting number 113, and can be found on all TPI corvettes and ZZ4 350 HO crate motors. I bought a set from Contemporary Corvette in Bristol, PA several years ago (they go by the name F Parts on ebay). - Justin __________________ 1999 Camry - Beigemobile DD 2002 Suburban - Wife's DD 2004 Grand Cherokee - Not running / Project / Selling?