Engines and Components Pistons and Piston Rings

CP Pistons

CP Piston Bullet Race Series Big Block Chevy 4.280 Bore 4.250 Stroke 6.385 Rod Set Of 8

$1,068.90

SKU: C00A BBC5110-030

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Description

This piston set is designed for Big Block Chevrolet (BB Chevy) 489 Open Chamber engines. It features a 4.280" bore, 4.250" stroke, 6.385" rod, and 1.275" compression height with a 24.3cc dome. The pistons are made in the USA from 2618 forgings and include 1/16 ductile moly top ring, 1/16 second ring, 3/16 oil ring, and .990 x 2.750 or .990 x 2.930 pins with a .180 wall standard. They are intended for normally aspirated applications and have an advertised weight of 583 grams per piston. When used with 118cc heads, the compression ratio is 10.4:1.

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Specifications

BrandCP Pistons
Part NumberC00A BBC5110-030

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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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