Engines and Components› Pistons and Piston Rings

Manley Performance

Manley Chevrolet Small Block 4.050in Bore 5.7in Rod 1.550in CD -4.0cc Dome Platinum Series Pistons

$1,257.85

SKU: M004 591550-8

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Manley's Platinum Series piston set (MPN 591550-8) is engineered for high-performance Chevy Small Block (SB) engines, delivering exceptional reliability and maximum horsepower. Crafted from 2618 high-strength forged material, these pistons feature a lightweight design and a slightly thicker deck for enhanced durability under extreme conditions. The set includes 2.300" length tool steel pins and spiral locks. Designed for 23-degree cylinder heads, these pistons utilize 1/16" x 1/16" x 3/16" ring grooves and achieve a 10.16:1 compression ratio with 64cc cylinder heads.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 591550-8

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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