Enginetech TS378 Timing Chain Set for 1990-1992 Buick Chevrolet Pontiac 6000 Celebrity Century Grand Am Lumina 2.5L 151ci I4
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The Enginetech 2544S is a Timing Gear Set for 1985-1989 Buick, Chevrolet, Pontiac 2.5L 151ci I4 engines. This is a precision-matched gear set featuring a fiber cam gear, engineered to OE timing specifications for accurate camshaft-to-crankshaft timing.
| Part Number | 2544S |
| Product Type | Timing Gear Set |
| Engine | 2.5L 151ci I4 |
| Cam Gear Material | Fiber Cam Gear |
| Year Range | 1985-1989 |
| Makes | Buick, Chevrolet, Pontiac |
| Country of Origin | US |
| Weight | 2.75 lbs |
| UPC | 707473077187 |
| OEM Cross-Refs | Cloyes:2544S, FEL-PRO:221-2544S, Dynagear:2544S, Avon Automotive:2544S |
Enginetech timing gear sets are precision-matched replacement components engineered to restore correct camshaft-to-crankshaft timing for engines that use gear-drive or direct-mesh timing systems. Built on over 40 years of engine rebuilding expertise, each set is designed around the specific engine family it serves - gear geometry, material selection, and center distance are matched to the original equipment specifications to ensure accurate valve timing and long service life. Proper gear condition is critical to preventing timing deviation, valve train noise, and accelerated camshaft wear. Enginetech documents every set with clear application-specific notes so you know exactly what cam gear material and configuration you are receiving before the engine is on the stand. Always verify fitment by year, make, model, VIN code, and engine displacement before ordering - multiple gear configurations often exist for the same vehicle nameplate.