Big Bore Kits
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Original price $1,550.95 - Original price $1,550.95Original price$1,550.957754 ENTRIES 🎟️5X$1,550.95 - $1,550.95Current price $1,550.957754 ENTRIES 🎟️5XS&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 $1,550.95 - Original price $1,550.95Original price$1,550.957754 ENTRIES 🎟️5X$1,550.95 - $1,550.95Current price $1,550.957754 ENTRIES 🎟️5X -
Original price $1,095.95 - Original price $1,095.95Original price$1,095.955479 ENTRIES 🎟️5X$1,095.95 - $1,095.95Current price $1,095.955479 ENTRIES 🎟️5XS&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 $1,095.95 - Original price $1,095.95Original price$1,095.955479 ENTRIES 🎟️5X$1,095.95 - $1,095.95Current price $1,095.955479 ENTRIES 🎟️5X -
Original price $978.95 - Original price $978.95Original price$978.954894 ENTRIES 🎟️5X$978.95 - $978.95Current price $978.954894 ENTRIES 🎟️5XS&S Cycle - 1250cc Big Bore Kit Sportster 1986-2017 - Black
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 $978.95 - Original price $978.95Original price$978.954894 ENTRIES 🎟️5X$978.95 - $978.95Current price $978.954894 ENTRIES 🎟️5X -
Original price $1,095.95 - Original price $1,095.95Original price$1,095.955479 ENTRIES 🎟️5X$1,095.95 - $1,095.95Current price $1,095.955479 ENTRIES 🎟️5XS&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 $1,095.95 - Original price $1,095.95Original price$1,095.955479 ENTRIES 🎟️5X$1,095.95 - $1,095.95Current price $1,095.955479 ENTRIES 🎟️5X -
Original price $978.95 - Original price $978.95Original price$978.954894 ENTRIES 🎟️5X$978.95 - $978.95Current price $978.954894 ENTRIES 🎟️5XS&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 $978.95 - Original price $978.95Original price$978.954894 ENTRIES 🎟️5X$978.95 - $978.95Current price $978.954894 ENTRIES 🎟️5X -
Original price $1,999.95 - Original price $1,999.95Original price$1,999.959999 ENTRIES 🎟️5X$1,999.95 - $1,999.95Current price $1,999.959999 ENTRIES 🎟️5XS&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 $1,999.95 - Original price $1,999.95Original price$1,999.959999 ENTRIES 🎟️5X$1,999.95 - $1,999.95Current price $1,999.959999 ENTRIES 🎟️5X -
Original price $1,709.95 - Original price $1,709.95Original price$1,709.958549 ENTRIES 🎟️5X$1,709.95 - $1,709.95Current price $1,709.958549 ENTRIES 🎟️5XS&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 $1,709.95 - Original price $1,709.95Original price$1,709.958549 ENTRIES 🎟️5X$1,709.95 - $1,709.95Current price $1,709.958549 ENTRIES 🎟️5X -
Original price $1,045.95 - Original price $1,045.95Original price$1,045.955229 ENTRIES 🎟️5X$1,045.95 - $1,045.95Current price $1,045.955229 ENTRIES 🎟️5X
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 $1,045.95 - Original price $1,045.95Original price$1,045.955229 ENTRIES 🎟️5X$1,045.95 - $1,045.95Current price $1,045.955229 ENTRIES 🎟️5XSold out -
Original price $1,742.95 - Original price $1,742.95Original price$1,742.958714 ENTRIES 🎟️5X$1,742.95 - $1,742.95Current price $1,742.958714 ENTRIES 🎟️5XS&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 $1,742.95 - Original price $1,742.95Original price$1,742.958714 ENTRIES 🎟️5X$1,742.95 - $1,742.95Current price $1,742.958714 ENTRIES 🎟️5X -
Original price $1,549.95 - Original price $1,549.95Original price$1,549.957749 ENTRIES 🎟️5X$1,549.95 - $1,549.95Current price $1,549.957749 ENTRIES 🎟️5XS&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 $1,549.95 - Original price $1,549.95Original price$1,549.957749 ENTRIES 🎟️5X$1,549.95 - $1,549.95Current price $1,549.957749 ENTRIES 🎟️5X -
Original price $1,345.95 - Original price $1,345.95Original price$1,345.956729 ENTRIES 🎟️5X$1,345.95 - $1,345.95Current price $1,345.956729 ENTRIES 🎟️5XS&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 $1,345.95 - Original price $1,345.95Original price$1,345.956729 ENTRIES 🎟️5X$1,345.95 - $1,345.95Current price $1,345.956729 ENTRIES 🎟️5X -
Original price $978.95 - Original price $978.95Original price$978.954894 ENTRIES 🎟️5X$978.95 - $978.95Current price $978.954894 ENTRIES 🎟️5XS&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 $978.95 - Original price $978.95Original price$978.954894 ENTRIES 🎟️5X$978.95 - $978.95Current price $978.954894 ENTRIES 🎟️5X -
Original price $1,742.95 - Original price $1,742.95Original price$1,742.958714 ENTRIES 🎟️5X$1,742.95 - $1,742.95Current price $1,742.958714 ENTRIES 🎟️5XS&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 $1,742.95 - Original price $1,742.95Original price$1,742.958714 ENTRIES 🎟️5X$1,742.95 - $1,742.95Current price $1,742.958714 ENTRIES 🎟️5X -
Original price $1,594.95 - Original price $1,594.95Original price$1,594.957974 ENTRIES 🎟️5X$1,594.95 - $1,594.95Current price $1,594.957974 ENTRIES 🎟️5XS&S Cycle - 4" Sidewinder Big Bore Kit for 1999-2006 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 $1,594.95 - Original price $1,594.95Original price$1,594.957974 ENTRIES 🎟️5X$1,594.95 - $1,594.95Current price $1,594.957974 ENTRIES 🎟️5X
