S&S Cycle Forged Conversion Piston Kit: 1986+ Harley-Davidson Sportster Models - 3-9/16" - 920-0070

S&S Cycle Forged Conversion Piston Kit: 1986+ Harley-Davidson Sportster Models - 3-9/16" - 920-0070

Fitment: 1986+ Harley-Davidson Sportster models

Fitment Exclusion: Harley-Davidson Sportster XR1200 models

These S&S 1250cc conversion pistons for 1986+ Harley-Davidson Sportster Models increase the displacement of 883cc and 1200cc engines to 1250cc at 11.2:1 compression. May be used with stock 1200cc cylinder heads, but S&S CNC ported heads are recommended. Stock 1200cc cylinders and 1986-'2003 883cc cylinders may be bored to accept the 3-9/16" bore 1250cc pistons, but 2004-'16 883cc cylinders may not be used. Also available in a cylinder and piston kit.

Features:

• Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression
• May be used with stock 1200cc cylinder heads, but S&S CNC ported heads are recommended
• Stock 1200cc cylinders and 1986-'2003 883cc cylinders may be bored to accept the 3-9/16" bore 1250cc pistons, but 2004-'16 883cc cylinders may not be used

WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.