I am selling my Oval Port “781” heads for Chevy/GMC Big Block Engines. You also get the block, intake, distributor, Nodular Crankshaft, everything shown in the pics & listed below and many other parts in the deal!
I was going to build it for my 1974 Chevy Cheyenne Pick up truck for sale.

$396 OBO Or Best Offer!


1) 781 Heads Oval Port Complete "336781" Need refreshing
Mark IV Big Block engine the same series as the 396, 402, 427, 454 That means that you can build any of those engines using this block.
2) 454 BBC Engine Block(main caps & bolts) casting # 361959


3) Nodular Iron Crankshaft casting # 353039N

4) Mallory dual point distributor

5) Intake Manifolid
6) 2 Sets of Exhaust Manifolids

7) 2 Valve Covers
8) 2 Timing chain coverS
9) Motor Mounts
10) Much other hardware


The block has surface rust however the standard machine work you would have done when rebuilding a used engine will renew it. I don’t have pistons, or rods so you could build any displacement you want: 396, 402, 427, 454, or 502 cu in.

 

 

key words:

The Generation 2: Mark IV Series was subsequently released for production use in mid-1965 as the Mark IV, referred to in sales literature as the "Turbo-Jet V8."

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