Enginetech ST156236N Exhaust Nickel-Alloy Valve Seats for 1982-2004 AM General Chevrolet GMC Hummer - 1.313 ID x 1.5642 OD x .1875" Thick
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The Enginetech GD9716 is a 4-pack of exhaust-side valve guides engineered as a stock replacement for 1982-2004 AM General, Chevrolet, GMC, Hummer engine applications.
| Brand | Enginetech |
| Part Number | GD9716 |
| Product Type | Valve Guides |
| Quantity per Pack | 4 |
| Inner Diameter | .3730" |
| Outer Diameter | .5020" |
| Length | 2.188" |
| Material | Iron |
| ID Finish | Spiral ID |
| Application Side | Exhaust |
| Country of Origin | Taiwan |
| OEM / Aftermarket Cross References | Manley:2265, Elgin:52265, Elgin:GD9716, Ertel:9716, SB International:140-9716, Pep Boys:C9716, Pioneer:02265, Pioneer:09716, Qualcast:30-9716 |
Valve guides are precision-machined cylindrical sleeves press-fit into the cylinder head that guide the valve stem's travel and control valve-to-seat alignment during combustion cycles. Worn guides increase stem-to-guide clearance, causing oil consumption, valve seal failure, loss of seat contact, and premature valve and seat wear. Installing new guides during a valve job restores correct stem alignment, ensures proper valve sealing, and extends the service life of the valves, seats, and stem seals that work with them.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm, including lead and nickel.