Pistons - Rings - Cylinders

Compression ratio is 13.5:1 for Gas Gas EC450F. Compression ratio is 13.1:1 for Yamaha YZ450F/WR450F This listing is for ONE piston with rings and circlips, You may need two pistons depending on your motorcycle All Wiseco pistons are forged from...

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers...

12.0:1 Compression Ratio Standard Bore 4-stroke Armorglide Coating Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine Optimized compression ratio to fit your build and performance...

11.0:1 Compression Ratio Standard Bore Non-Coated Includes high-quality piston ring(s), wrist pin(s), and circlips Designed and built for each specific 4-stroke powersports engine Improved tensile strength of forged material optimizes strength and...

12.5:1 Compression Ratio Standard Bore Non-Coated Includes high-quality piston ring(s), wrist pin(s), and circlips Designed and built for each specific 4-stroke powersports engine Improved tensile strength of forged material optimizes strength and...

13.5:1 Compression Ratio High Compression Standard Bore ArmorGlide Coating Includes high-quality piston ring(s), wrist pin(s), and circlips Designed and built for each specific 4-stroke powersports engine Improved tensile strength of forged...

Engineered, forged, and machined in the USA Designed and built for each specific 4-stroke powersports engine Improved tensile strength of forged material optimizes strength and service life Dedicated forgings and additional lightening operations allow...

Engineered, forged, and machined in the USA Designed and built for each specific 4-stroke powersports engine Improved tensile strength of forged material optimizes strength and service life Dedicated forgings and additional lightening operations allow...

This listing is for ONE piston with rings and circlips, You may need two pistons depending on your motorcycle All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco's state-of-the-art forging presses Built on a legacy of...

This listing is for ONE piston with rings and circlips, You may need two pistons depending on your motorcycle All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco's state-of-the-art forging presses Built on a legacy of...

This listing is for ONE piston with rings and circlips, You may need two pistons depending on your motorcycle All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco's state-of-the-art forging presses Built on a legacy of...

Engineered, forged, and machined in the USA Designed and built for each specific 4-stroke powersports engine Improved tensile strength of forged material optimizes strength and service life Dedicated forgings and additional lightening operations allow...