Edelbrock · New
Edelbrock (One) Marine BB Chev Exhaust Valve (Inconel)
MPN 9789 · Store SKU ede9789
Supplier stock checked 11/7/2026, 9:59:42 AM UTC. Adding a part does not reserve it.
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Product details
The Edelbrock #9789 Inconel Exhaust Valve is a 1.89" 1-piece, swirl-polished, hardened tip valve with undercut stems for increased flow. Fits Edelbrock #61459, #61559 & #61555 Marine Cylinder Heads. Overall Length: 5.450" Set of 1 Valve The Edelbrock #9789 Exhaust Valve are 1-piece, swirl-polished, hardened tip stainless steel valves with undercut stems for increased flow. Hard-chromed valve stems are 11/32" except where noted. MARINE BB CHEVROLET EXHAUST VALVE (ONE) Replacement Exhaust Valve
Manufacturer fitment & guides
- Chevrolet:Big-Block Mark IV:396 (6.5L)-502 (8.2L)
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y