![HAMMER PERFORMANCE - 1250 Kits, 88ci and 90ci Big Bore Kits, and More for Your Harley Davidson Sportster or Buell! 208-696-1250 HAMMER PERFORMANCE - 1250 Kits, 88ci and 90ci Big Bore Kits, and More for Your Harley Davidson Sportster or Buell! 208-696-1250](http://hammerperf.com/images/1275fins.jpg)
HAMMER PERFORMANCE - 1250 Kits, 88ci and 90ci Big Bore Kits, and More for Your Harley Davidson Sportster or Buell! 208-696-1250
![HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250 HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250](https://www.1250kits.com/images/macwally.jpg)
HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250
![HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250 HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250](https://www.1250kits.com/images/aircleanerinstructions1.jpg)
HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250
![Took a little over a year to get it back on the road but my sporty chop was well worth the wait. The Hammer Performance 1275 kit is already feeling good and Took a little over a year to get it back on the road but my sporty chop was well worth the wait. The Hammer Performance 1275 kit is already feeling good and](https://preview.redd.it/0rh7bruf9lh51.jpg?auto=webp&s=0d31730a7e9a95442f26138d0e44f8d6740d003e)
Took a little over a year to get it back on the road but my sporty chop was well worth the wait. The Hammer Performance 1275 kit is already feeling good and
![HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250 HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250](https://www.1250kits.com/images/sbf1275.jpg)
HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250
![HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250 HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250](http://hammerperf.com/images/883-1250conversionpistons2.jpg)
HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250
![HOLIDAY SALE on 883-1250 CONVERSION KITS! $495 Big Fin or Small Fin! - The Sportster and Buell Motorcycle Forum - The XLFORUM® HOLIDAY SALE on 883-1250 CONVERSION KITS! $495 Big Fin or Small Fin! - The Sportster and Buell Motorcycle Forum - The XLFORUM®](http://www.hammerperf.com/images/silver1250kit04.jpg)
HOLIDAY SALE on 883-1250 CONVERSION KITS! $495 Big Fin or Small Fin! - The Sportster and Buell Motorcycle Forum - The XLFORUM®
![Started my 883 to 1275 conversion today. Got the clutch & spring plate done today, will begin engine disassembly tomorrow. Heads are going to Hammer for some work! : r/sportster Started my 883 to 1275 conversion today. Got the clutch & spring plate done today, will begin engine disassembly tomorrow. Heads are going to Hammer for some work! : r/sportster](https://preview.redd.it/g7ptw73uma341.jpg?auto=webp&s=fb4abed5607067b73d486cebc99eb596439b0038)
Started my 883 to 1275 conversion today. Got the clutch & spring plate done today, will begin engine disassembly tomorrow. Heads are going to Hammer for some work! : r/sportster
![HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250 HAMMER PERFORMANCE - High Performance for your Harley Twin Cam, Evo Big Twin, Sportster or Buell! 208-696-1250](http://hammerperf.com/images/enginekits/07+80+.jpg)