Engines and Components› Pistons and Piston Rings

SRP Pistons

4032PONTIACBIG BLOCK 4.160 BORE0.98 PINFLATTOP1.690 CDPISTON SET/8

$724.99

SKU: S028 153983

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Description

Advanced lightweight FSR forging (4032 high-silicon aluminum alloy) offering superior strength and up to 20% lighter than traditional pistons. Features reduced piston-to-wall clearance, quiet operation, accumulator grooves for improved ring seal, and high-performance skirt coating with low drag rings. Suitable for normally aspirated or moderate forced induction/nitrous applications. Includes 4032 low expansion high silicon aluminum alloy, heat treated; Forced Pin Oiler for wrist pin lubrication; Pin fitting and double spiro locks; 980-2750-150 wall wrist pin (135g); and CNC Machined ring grooves (accept 1/16, 1/16, 3/16 rings, sold separately).

Fitment

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Specifications

BrandSRP Pistons
Part NumberS028 153983

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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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