• Highlighted Black
• 107 to 124" big bore kit
• Wrinkle black finish
• Highlighted Fins
• Bolt on kit. No Machining Required
• includes gaskets and hardware required for installation
• 4.250" bore
• Forged Pistons
• 11:1 compression ratio

DISCLAIMER: FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.

• 2017-Up Harley-Davidson M-EIGHT 107" Engines