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Gm Big Block Chevy Large Oval Port Heads 3909802 1967 396/325hp 350hp 427/390hp on

US $375.00

Santa Cruz, California, United States

Santa Cruz, California, United States
Pair of large oval port closed chamber Big Block Chevy cylinder heads. Casting number 3909802. Just came back from the machine shop after being shot blasted and magnafluxed for cracks. No cracks or repairs. Heads have never been ported. This pair of heads is a bare core set that will need to be rebuilt which can include the need for new guides, etc. This is a nice core pair of heads.
Brand:427 325 360 390 HP Chevrolet Horsepower BBC 063 Surface Finish:3873858 Square port hi perf high performance LS6 Manufacturer Part Number:65 66 67 68 69 70 round high compression 702 802 Part Brand:GM Chevy Chevrolet BBC Big Block Rectangle 68 Interchange Part Number:Camaro Chevelle Nova Corvette Impala 396 454 66 years:67 68 69 70 71 72 3964291 375HP 375 HP 425 425hp Other Part Number:3856208 3919840 3904391 3904392 3919842 65 66 a:cylinder cyl closed chamber chambers

This is a pair of original GM cylinder heads for a Big Block Chevy Engine. The casting number on each head is  3909802. These heads have large oval intake ports and closed combustion chambers. These heads were used by GM on 1967 396/325HP, 396/350HP, 427/385HP and 427/390HP engines.The date codes are both B 21 7 as shown.  

These heads are in very good original condition as shown. There are no breaks or repairs.The heads have just been shot blasted and are free of rust, pitting, etc. The ports are also completely stock with no porting or deburring. The heads also have a very thick deck surface as indicated by the picture of the dimes on the deck indicators. The combustion chambers have never been modified. Finding a closed chamber oval port 1967 heads without porting, corrosion, or damage is very hard to do without making a deal with the devil. Don't miss this nice pair.

This is your chance to own awesome factory 1967 Big Block Chevy heads you have been dreaming about for your special engine or collection at a great price. Don't Miss Out!

Check out my other listings for more rare and hard to find parts.

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