Harley-Davidson SPORTSTER 1200 CUSTOM Big Bore Kits
Genuine HD big bore kits and aftermarket alternatives that fit the SPORTSTER 1200 CUSTOM — all years. Select your year for exact fitment and pricing.
Select your year for exact fitment & prices
Genuine Harley-Davidson (2)
Aftermarket alternatives
Aftermarket big bore kits that fit the SPORTSTER 1200 CUSTOM. Genuine Harley-Davidson is listed above, not here.
James Gaskets
JAMES THIN HEAD GASKETS FOR EVOLUTION BIG BORE MOTORS
Wiseco
1200 CC BIG BORE PISTON KITS FOR 883 EVOLUTION SPORTSTER
Wiseco
1200 CC BIG BORE PISTON KITS FOR 883 EVOLUTION SPORTSTER
Wiseco
1200 CC BIG BORE PISTON KITS FOR 883 EVOLUTION SPORTSTER
Wiseco
1200 CC BIG BORE PISTON KITS FOR 883 EVOLUTION SPORTSTER
Athena
ATHENA BIG BORE HEAD AND BASE GASKETS
Athena
ATHENA BIG BORE HEAD AND BASE GASKETS
Wiseco
1200 CC BIG BORE PISTON KITS FOR 883 EVOLUTION SPORTSTER
Wiseco
1200 CC BIG BORE PISTON KITS FOR 883 EVOLUTION SPORTSTER
S&S
S&S, 883-1250 Hooligan big bore cyl. & piston kit
S&S
S&S, 883-1250 Hooligan big bore cyl. & piston kit
Cometic
Cometic, EST top end gasket kit. Evo XL 3-3/4" big bore