DNJ
DNJ 1985 Chevrolet C20 7.4L Intake Valve
DNJ 1985 Chevrolet C20 7.4L Intake Valve
Part number: IV3111_57
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet C20 7.4LFitment notes & questions
1985 Chevrolet C20 7.4L Intake Valve by DNJ for 1985 Chevrolet C20 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: 1985 Chevrolet C20
- Engine: 7.4L
- Engine code: VIN S 16V OHV
- Part number: IV3111_57
Listed fitment
- [1980-2000] GM [Nitride Coated; 1 Groove; 52.5mm Head Dia.; 9.5mm Stem Dia.; 132.8mm O.A.L.] / V8 / 7.4L / 454 OHV 16V
Good to know
- Notes: Nitride Coated; 1 Groove; 52.5mm Head Dia.; 9.5mm Stem Dia.; 132.8mm O.A.L.; Intake, [2.065" 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.

Before you order: Chevrolet C20 7.4L valve fitment
Intake valves let the air and fuel mixture into the cylinder; exhaust valves let the burned gases out.
Fitment notes
- Listed for: Chevrolet C20 7.4L.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- 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? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- Valve stem seals. Always new with new valves.
- Head gasket. The head comes off for this job.
More for your car: Chevrolet Intake Valves · Chevrolet Parts · All Intake Valves · Engine
Questions about Chevrolet C20 7.4L engine valves
Will this fit my Chevrolet C20 7.4L?
How do I know a valve is bad?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.