King Engine Bearings Main Bearing Set for 1975-1978 GMC K15 (MB 509HP 020) 2525 sweeter sound and higher quality

sweeter sound and higher quality than other brands

Suitable for all light trucks

0L V8 engine

Its innovative design makes for a hassle-free

whenever you pass the start/stop beacon on the racetrack (beacon must be configured before racing)

King Engine Bearings Main Bearing Set for 1975-1978 GMC K15 (MB 509HP 020) 2525 sweeter sound and higher qualityCarrying on a tradition of durability and dependability, KING Bi Metal (aluminum) engine bearings feature 100% lead free aluminum silicon. King has 4 different variations of their aluminum based bearings: (AM Series) K 783 Standard aluminum based material, equivalent to SAE 783, used for low and medium load engines. King AM Series main and rod bearings are recommended for street or marine applications. They have superior embeddability, which provides