Engines and Components› Pistons and Piston Rings

SEALED POWER

RING OIL CONTROL SET

$31.28

SKU: S03T SS50U645 30

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Description

The Sealed Power engine bearing set is designed for Chevrolet, GMC, and Pontiac 4.3L/262 V6 engines. These pistons are a 0.030 in. oversize with a flat top piston head type and a 4.030 in. bore diameter. They are sold as a set of 6 and are made from hypereutectic aluminum.

Features include a 1.548 in. compression height and a 5/64 in. x 5/64 in. x 3/16 in. piston ring thickness. The wrist pin is included, and the piston head volume is +6.90cc. The piston skirt features a DurOshield® coating.

Fitment

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Specifications

BrandSEALED POWER
Part NumberS03T SS50U645 30

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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