Engines and Components Pistons and Piston Rings

Manley Performance

Manley Chevrolet Small Block Piston Set - 4.030in Bore 1.050in CH, -2.50 CC

$1,128.47

SKU: M004 591330-8

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Manley's Platinum Series pistons are crafted from 2618 high-strength forged material for exceptional reliability and horsepower. They feature a lightweight design with a .155" thick deck, perfect ring groove to skirt squareness, a pressure balance groove, and a semi-banded skirt design. Each set includes a 2.300" length tool steel pin (74 Grams) and spiral locks. Designed for 23-degree heads, these pistons use .043" x .043" x 3mm ring grooves and yield a 10.34:1 compression ratio with 64cc heads.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandManley Performance
Part NumberM004 591330-8

Videos

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.

View Full Return Policy