Hammer Performance 883 to 1275 Big Fin *Full* Conversion Kit - 2007 and later

Hammer Performance offers the world's first and only BOLT-ON 1275 KITS for the XL platform! These kits stand alone as the biggest XL engine kit available that can be installed in an afternoon without case boring and without removing your engine from the frame.

This is the full kit with absolutely everything required and recommended for a successful conversion.

The kit includes the following, with rings gapped and engine kit pre-assembled.

• Sledge Hammer 3.600 Bore Iron Lined Aluminium Cylinders with choice of Big Fin Styles
• Sledge Hammer 3.600 Bore Forged Pistons, with a thermal barrier coating
• Lightweight Tool Steel Wrist Pins
• Circlips
• Premium Quality Moly Faced Rings
• Cometic 07-up top end gasket kit with .030 3.625 head gasket (C10094-3625)
• Energy One Extra Plate Clutch Kit, 1991 - Later Sportster, with 15% Stronger Diaphragm Spring (BTX-11)
• Cyco 2004-up sportster primary gasket (CY34955-04FM)
• Clutch Compression Tool, Motion Pro, 90-97 Big Twin and 91+ XL (DS197026)
• 10R12X Spark Plug (27794-08)
• Dynojet PV1B or PV2B (dependent on bike year)

*** We keep black finned kits in stock due to popularity. Silver and black highlighted fin kits are shipped to order and take 3-4 weeks from order to dispatch ***

Kit shown is a Big Fin 1275 Kit in silver style for stock 883 heads.