S&S Cycle Cast Flat-Topped Piston Kit: 84-99 Harley-Davidson Big Twin Models - 4-1/4" - 920-0015

S&S Cycle Cast Flat-Topped Piston Kit: 84-99 Harley-Davidson Big Twin Models - 4-1/4" - 920-0015

Fitment: 84-99 Harley-Davidson Big Twin models

S&S 80" Cast Flat-Topped Replacement Piston Kits For 84-99 Harley-Davidson Big Twins W/ Stock Heads or S&S Performance Replacement Heads - .010"

Features:

• Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression
• Cast Flat-Topped Replacement Piston Kits For 1984-'99 Harley-Davidson Big Twins with Stock Heads or S&S Performance Replacement Heads
• 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.