Xmas Gift Idea Manley 9.8:1 Comp Ratio Pistons | 04-15 Subaru Wrx/sti De-stroker 100mm +.25mm Size Bore (632105c-4) Save 35% Now [3qIPEy4z]

Manley 9.8:1 Comp Ratio Pistons for Subaru WRX/STI

Manley introduces the ultimate pistons for the 04-15 Subaru WRX/STI, designed to enhance performance and durability. Engineered with their "Formula-Won" piston forging technology, these pistons are crafted for high-boosted and high-stress applications, yet remain whisper-quiet and trouble-free for daily driving. With a 9.8:1 compression ratio, these pistons are a game-changer for enthusiasts seeking to unlock the full potential of their EJ25 engines.

Superior Design and Construction

The Manley Turbo Tuff pistons are made from premium 2618 alloy, known for its strength and heat resistance. These pistons feature an offset wrist pin design, skirt coating, and come with a standard 2.500" x .180" wall premium chrome moly wrist pin. For even greater durability, .210" wall pin upgrades in 9310 alloy are available, perfect for the most extreme applications. Each set includes premium steel top rings, Napier style second rings, and higher tension oil rings by Total Seal for ultimate oil control, ensuring a smooth and efficient engine operation.

Enhanced Performance and Reliability

The Manley Subaru EJ257 pistons now come with Napier style second rings and higher tension oil rings, providing superior oil control and reducing oil consumption. The recommended clearances for mild and high boost applications are .003" and .0035" respectively, ensuring proper fitment and performance. This comprehensive design, combined with the use of premium materials, guarantees that these pistons will stand up to the demands of the most challenging driving conditions, while providing a seamless and trouble-free driving experience.