Big Bore Kits
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Original price $1,008.95 - Original price $1,008.95Original price$1,008.95$1,008.95 - $1,008.95Current price $1,008.95S&S Cycle - 1250cc Big Bore Kit Sportster 1986-2017 - Silver
S&S1+ in stockThis kit converts 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Forged pistons have larger than stoc...
View full detailsOriginal price $1,008.95 - Original price $1,008.95Original price$1,008.95$1,008.95 - $1,008.95Current price $1,008.95 -
Original price $1,128.95 - Original price $1,128.95Original price$1,128.95$1,128.95 - $1,128.95Current price $1,128.95S&S Cycle - 883 To 1200 Conversion Kit Sportster 1986-2017 - Black
S&S1+ in stockMaybe you need more power from your 883 Sportster? Maybe you're a handy type who realized he could buy an 883 and a big-bore kit cheaper than h...
View full detailsOriginal price $1,128.95 - Original price $1,128.95Original price$1,128.95$1,128.95 - $1,128.95Current price $1,128.95 -
Original price $1,128.95 - Original price $1,128.95Original price$1,128.95$1,128.95 - $1,128.95Current price $1,128.95S&S Cycle - 883 To 1200 Conversion Kit Sportster 1986-2017 - Silver
S&S1+ in stockMaybe you need more power from your 883 Sportster. Maybe you're a handy type who realized he could buy an 883 and a big-bore kit cheaper than h...
View full detailsOriginal price $1,128.95 - Original price $1,128.95Original price$1,128.95$1,128.95 - $1,128.95Current price $1,128.95 -
Original price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95S&S Cycle - 4" Sidewinder Big Bore Kit for 1999-2006 HD Big Twin Models - Wrinkle Black
S&S1+ in stockInspired by S&S Cycle Pro Stock Drag Race engines, these updated big bore kit utilizes a ductile cast iron liner wrapped in cast aluminum for o...
View full detailsOriginal price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95 -
Original price $1,008.95 - Original price $1,008.95Original price$1,008.95$1,008.95 - $1,008.95Current price $1,008.95
S&S Cycle - 1250cc Big Bore Kit Sportster 1986-2017 - Black
S&SOut of stockThis kit converts 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Forged pistons have larger than stoc...
View full detailsOriginal price $1,008.95 - Original price $1,008.95Original price$1,008.95$1,008.95 - $1,008.95Current price $1,008.95Sold out -
Original price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95S&S Cycle - 883cc To 1200cc Hooligan Big Bore Cam Kit - Sportster 2000-2017 - Black
S&S1+ in stockWhether you're racing flat-track or just want more power, the S&S Hooligan kits for Harley-Davidson Sportster models will give you an edge on ...
View full detailsOriginal price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95 -
Original price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95S&S Cycle - 1200 To 1250 Hooligan Big Bore Cam Kit Sportster 2000-2017 - Black
S&S1+ in stockWhether you're racing flat-track or just want more power, the S&S Hooligan kits for Harley-Davidson Sportster models will give you an edge on ...
View full detailsOriginal price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95 -
Original price $1,077.95 - Original price $1,077.95Original price$1,077.95$1,077.95 - $1,077.95Current price $1,077.95
S&S Cycle - 1250cc Big Bore Kit Sportster 1986-2017 - Silver - 11.2 : 1 Compression Ratio
S&SOut of stockThis kit converts 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Forged pistons have larger than stoc...
View full detailsOriginal price $1,077.95 - Original price $1,077.95Original price$1,077.95$1,077.95 - $1,077.95Current price $1,077.95Sold out -
Original price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95S&S Cycle - 1200 To 1250 Hooligan Big Bore Cam Kit - Sportster 2000-2017 - Silver
S&S1+ in stockWhether you’re racing flat-track or just want more power, the S&S Hooligan kits for Harley-Davidson Sportster models will give you an edge o...
View full detailsOriginal price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95 -
Original price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95S&S Cycle - 4" Sidewinder Big Bore Kit for 2007-2017 HD Big Twin Models - Wrinkle Black
S&S1+ in stockInspired by S&S Cycle Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for o...
View full detailsOriginal price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95 -
Original price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95S&S Cycle - 4" Sidewinder Big Bore Kit for 2007-2017 HD Big Twin Models - Silver
S&S1+ in stockInspired by S&S Cycle Pro Stock Drag Race engines, these updated big bore kit utilizes a ductile cast iron liner wrapped in cast aluminum for o...
View full detailsOriginal price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95 -
Original price $1,008.95 - Original price $1,008.95Original price$1,008.95$1,008.95 - $1,008.95Current price $1,008.95S&S Cycle - 1250cc Big Bore Kit Sportster 1986-2017 - Black - 11.2 : 1 Compression Ratio
S&S1+ in stockThis kit converts 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Forged pistons have larger than stoc...
View full detailsOriginal price $1,008.95 - Original price $1,008.95Original price$1,008.95$1,008.95 - $1,008.95Current price $1,008.95 -
Original price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95S&S Cycle - 883cc To 1200cc Hooligan Big Bore Cam Kit Sportster 2000-2017 - Silver
S&S1+ in stockWhether you’re racing flat-track or just want more power, the S&S Hooligan kits for Harley-Davidson Sportster models will give you an edge o...
View full detailsOriginal price $1,822.95 - Original price $1,822.95Original price$1,822.95$1,822.95 - $1,822.95Current price $1,822.95 -
Original price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95
S&S Cycle - 4" Sidewinder Big Bore Kit for 1999-2006 HD Big Twin Models - Silver
S&SOut of stockInspired by S&S Cycle Pro Stock Drag Race engines, these updated big bore kit utilizes a ductile cast iron liner wrapped in cast aluminum for o...
View full detailsOriginal price $1,540.95 - Original price $1,540.95Original price$1,540.95$1,540.95 - $1,540.95Current price $1,540.95Sold out
