DNJ
DNJ 1984 Chevrolet C30 7.4L Exhaust Valve
DNJ 1984 Chevrolet C30 7.4L Exhaust Valve
Part number: EV3111_49
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Listed for: Chevrolet C30 7.4LFitment notes & questions
DNJ 1984 Chevrolet C30 7.4L Exhaust Valve, listed for 1984 Chevrolet C30 with the 7.4L engine. Valves are usually replaced during a cylinder head rebuild, along with guides, seals and a valve job.
Quick facts
- Brand: DNJ
- Part type: Valve
- Listed for: 1984 Chevrolet C30
- Engine: 7.4L
- Engine code: VIN S 16V OHV
- Part number: EV3111_49
Listed fitment
- [1980-2000] GM [Nitride Coated; 1 Groove; 43.7mm Head Dia., 9.4mm Stem Dia., 136mm O.A.L.] / V8 / 7.4L / 454 OHV 16V
Good to know
- Notes: Nitride Coated; 1 Groove; 43.7mm Head Dia., 9.4mm Stem Dia., 136mm O.A.L.; Exhaust, [1.720" Head Dia]
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Have the valve seats cut or lapped so the new valves seal fully.

DNJ engine valves for the Chevrolet C30 7.4L: what to know
Burned or bent valves cause misfires and low compression. Guides that wear let valves wobble and burn oil.
Fitment notes
- Listed for: Chevrolet C30 7.4L.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
- Valve stem seals. Always new with new valves.
- Head gasket. The head comes off for this job.
More for your car: Chevrolet Exhaust Valves · Chevrolet Parts · All Intake Valves · Engine
Questions about Chevrolet C30 7.4L engine valves
Will this fit my Chevrolet C30 7.4L?
How do I know a valve is bad?
Where do specs and warranty details come from?
Questions & answers
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