Overview 

The UEM Piston 1FZ 100.25/STD Stroke Flat is a high-quality forged piston designed specifically for Toyota 1FZ-FE engines using a standard stroke crankshaft. With a 100.25mm bore and a flat-top design, this piston is ideal for naturally aspirated or mildly boosted setups where maintaining a higher compression ratio is beneficial. Its forged construction ensures exceptional strength, durability, and resistance to high temperatures and pressures, making it suitable for performance, street, or off-road applications. This piston offers a reliable balance of power and efficiency for engine builders looking to enhance output without sacrificing long-term reliability.

Features 

• Designed for Toyota 1FZ-FE engines: Compatible with standard stroke crankshaft configurations.

• 100.25mm bore size: Provides a precise fit and supports efficient combustion.

• Flat-top piston design: Maintains higher compression ratios—ideal for naturally aspirated or mild boost setups.

• Forged construction: Made from high-strength materials for enhanced durability and performance.

• Withstands high pressure and heat: Suitable for high-performance street, off-road, or racing applications.

• Optimized for reliability and efficiency: Balances power gains with long-term engine integrity.