Small Block Chevy Double Bump Heads - Fresh - $600 (Sobieski)

Small Block Chevy Double Bump Heads - Fresh 1

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condition: excellent

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For sale is a of fresh set of small block Chevy double bump heads, part #3991492. They have 64 CC chambers, new 2.02 / 1.60" valves, 7/16" screw-in studs, new 1.460" springs & 5/16" guide plates. Intake & exhaust ports are untouched. The decks have been lightly resurfaced, valve guides replaced & threaded hole have good threads. These are the straight spark plug version. The new 1.460" diameter dual valve springs give you the option of running an aggressive roller cam with up to .600" lift.

These heads are ready to be installed and perform.

Give me a call or text if you have any interest or questions. (Text is best) Thanks for looking. Greg.

post id: 7993032750

posted: 2026-10-31 12:28

updated: 2026-11-04 14:08

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Small Block Chevy Double Bump Heads - Fresh - auto parts - by owner...

For sale is a of fresh set of small block Chevy double bump heads, part #3991492. They have 64 CC chambers, new 2.02 / 1.60" valves, 7/16" screw-in studs, new 1.460" springs & 5/16" guide...