Engines and Components› Pistons and Piston Rings

Manley Performance

Manley Chevrolet Small Block Piston Set - 4.040in Bore 1.550in CH, -2.50 CC

$1,082.85

SKU: M004 591040-8

In Stock
In Stock
Ships by Jun 13
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Non-Returnable Item
INSTALL DIFFICULTY
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Description

Manley's Platinum Series pistons are made from 2618 high-strength forged material for excellent reliability and maximum horsepower. They feature a lightweight design with a .155" thick deck, perfect ring grove to skirt squareness, and a pressure balance groove. Included are 2.300" length tool steel pins (74 Grams) and spiral locks. The semi-banded skirt design enhances reliability. These pistons fit 23 Degree heads and utilize .043" x .043" x 3mm ring grooves, achieving a compression ratio of 10.34:1 with 64cc heads.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandManley Performance
Part NumberM004 591040-8

Videos

Manley Performance Factory Tour - Pistons, Connecting Rods, Valvetrain Manufacturing | RS Garage

Manley Performance Factory Tour - Pistons, Connecting Rods, Valvetrain Manufacturing | RS Garage
Bear brings you Manley Performance Pistons and Rods @ SCW

Bear brings you Manley Performance Pistons and Rods @ SCW
Differences between Manley's Pistons and Rods with Sport Compact Warehouse.

Differences between Manley's Pistons and Rods with Sport Compact Warehouse.
A Better Way to Install Rods on Pistons

A Better Way to Install Rods on Pistons
Small Block Chevy Engine Build: Piston Assembly (Part 1)

Small Block Chevy Engine Build: Piston Assembly (Part 1)
Fool proof installing pistons on rods of a Small Block Chevy

Fool proof installing pistons on rods of a Small Block Chevy

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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