Harley-Davidson SEVENTY-TWO Big Bore Kits
Genuine HD big bore kits and aftermarket alternatives that fit the SEVENTY-TWO — all years. Select your year for exact fitment and pricing.
Genuine Harley-Davidson (2)
Aftermarket alternatives
Aftermarket big bore kits that fit the SEVENTY-TWO. 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
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
James Gaskets
James, cylinder head gaskets. 3-5/8" big bore