Piston Assembly — GM Captiva LE5 / LE9 (0.5 Oversize) — 2.4L

Designed specifically for the Chevrolet Captiva, this piston assembly for the 2.4L GM Ecotec (LE5/LE9) engine is manufactured from aluminum alloy and features a piston crown treated with a special coating. This series of pistons is engineered for engines with a bore diameter ranging from 86mm to 88mm, typically delivering a compression ratio of 10.4:1. Notably, the 0.5mm oversized (+0.50) pistons allow for the standard 88mm bore to be expanded to 88.5mm.

Description

Piston Assembly Specifications (LE5/LE9):
Material: High-grade aluminum alloy, potentially featuring a thermal barrier coating.
Bore: Standard size is 88 mm (approx. 3.46 inches). If a 0.5 mm oversize is utilized, the bore measures approximately 88.5 mm.
Compression Ratio: 10.4:1 (Standard).
Engine Stroke: 98 mm (3.86 inches).
Assembly Composition: The piston assembly consists of the piston body, piston pin, and piston rings.
Piston Pin: Constructed from alloy steel; typically utilizes a full-floating or press-fit installation method to connect to the connecting rod.