Overview

The UEM Piston 1FZ 102/108mm Stroke Flat is a precision-forged piston crafted specifically for Toyota 1FZ-FE engines fitted with a 108mm stroker crankshaft. Designed with a 102mm bore and a flat-top crown, it offers improved compression ratios, ideal for naturally aspirated and mildly boosted applications. The flat-top design enhances combustion efficiency and supports better flame propagation, resulting in increased power and throttle response. Engineered from high-strength forged materials, this piston provides superior durability and resistance to extreme pressure and heat—making it suitable for high-performance street builds, off-road adventures, and motorsport use. Its robust build quality ensures reliable operation under demanding conditions.

Features

Designed for Toyota 1FZ-FE engines with 108mm stroker crankshafts.

102mm bore size delivers increased displacement and a precise fit.

Flat-top crown improves compression and combustion efficiency.

Ideal for naturally aspirated and mildly boosted setups aiming for more power.

Forged construction ensures maximum strength and durability.

Handles high heat and pressure in motorsport and off-road applications.

Improves throttle response and power delivery thanks to efficient flame travel.