Heads

Colony - Head Bolt Set fits '99-'17 Twin Cam & '92-'22 Sportster Models (Except RH Sportster (OEM #16478-85A, 16480-92)) Features: 12-point replacement headbolts Made in the U.S.A. Fitment 2016-2017 Harley-Davidson Softail Slim S...

Feuling - Red Cylinder Head Breathers fits '18 & Up M8 Harley Models These cylinder head breathers are constructed from billet 6061 aluminum with square surfaces, guaranteeing outstanding umbrella valve sealing and longer main breather exit nipples...

S&S Cycle - Headbolt Kit fits '84-'99 Evolution Big Twin, '99-'17 Twin Cam & '86-'21 XL Models (exc. '21 S/RH1250S) This complete headbolt kit features 12-point bolts and is built with pride in the U.S.A.

Feuling - Headbolt Kit fits '99-'17 Twin Cam and '92-'22 Sportster Models (exc. '21-'22 Sportster S/RH1250S, 22 Nightster/RH975) This kit features wide underhead flange bolts and hardened chamfered washers that provide even load distribution for the...

S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Natural Great news: S&S heads are now available to be used with stock-style flat-top pistons! The kits are fully assembled and come with...

Colony - 12-1804 45" Head Stud Washer Set fits '29-'35 DL Model (OEM #6395) 45" head stud washer set measures 3/8" x 13/16" x 1/16". Sold as a 14 piece set Fitment: DL 1929-1935

Colony - 3515-4 Cylinder Head Bolt Spacers fits '52-'53 K Model (OEM #6860-52) Cadmium plated cylinder head bolt machined spacers fit between cylinder heads and motor mount. Sold as a 4 piece set Fitment: K 1952-1953 Measurements: Height:...

Colony - 3516-4 Cylinder Head Bolt Spacers fits '54-'56 KH Model (OEM #16860-54) Cadmium plated cylinder head bolt machined spacers fit between cylinder heads and motor mount. Sold as a set of 4 Fitment: KH 1954-1956 Measurements: Height:...

Colony - 37-0070 8-32 x 1" Fillister Head Screw - 10 Pack (OEM #1080) Fillister head screw measures 8-32 x 1" and features a parkerized finish, National Coarse. Sold as a pack of 10. Fitment: All models

Colony - 37-0073 10-32 x 7/8" Fillister Head Screw - 10 Pack (OEM #1222) Fillister head screw measures 10-32 x 7/8" features a parkerized finish, National Fine. Sold as a pack of 10 Fitment: All models

Colony - 9211-16 Chrome Headbolt Kit fits '73-'85 Sportster Model Chrome headbolt kit. Fitment: XL 1973-1985 Measurements: End to End: 3-7/8"

Colony - 9212-16 Cadmium Headbolt Kit fits '73-'85 Sportster Model Headbolt kit with a cadmium finish. Fitment: XL 1973-1985

Colony - 9641-16 Cadmium Headbolt Kit fits '52-'56 K Model Cadmium headbolt kit without washers Fitment: K 1952-1956

Colony - 9643-16 Cadmium Headbolt Kit fits '54-'56 K Model Cadmium headbolt kit without washers. Fitment: K 1954-1956

Colony - 9649-5 Speedometer Cable Clamp fits '39-'48 UL Model (OEM #67086-39) Speedometer Cable Clamp Fitment: UL 1939-1948

Colony - 9650-1 Speedometer Cable Clamp fits '52-'56 FL Model (OEM #67075-52) Speedometer Cable Clamp Fitment: FL 1952-1956

Colony - 9704-10 Parkerized Cylinder Headbolt Washer Set fits '71-'84 FX, '48-'84 FL Models Cylinder headbolt washer set with a parkerized finish Fitment: FX 1971-1984 FL 1948-1984

Colony - 9705-18-45 Parkerized Headbolt Kit fits '29-'52 WL, '29-'73 G Models  Parkerized headbolt kit with aluminum heads. Order washers separately Fitment: WL 1929-1952 G 1929-1973

Colony - 9748-16 Allen Type Headbolt Kit fits '73-'85 Sportster Model Allen type headbolt kit. Fitment: XL 1973-1985

Colony - 9759-4 Allen Type Tappet Block Screw Kit fits '91-'94 Sportster Model Tappet block allen type screw kit. Fitment: XL 1991-1994

Colony - 9760-4 Allen Type Tappet Block Screw Kit fits '95-'03 Sportster Model Tappet block allen type screw kit. Fitment: XL 1995-2003

Colony - 9761-4 Kick Starter Trip Bolt and Nut Kit fits '41-'52 WL, '41-'63 G Models (OEM #33456-26) Trip bolt and nut kit for kick starter on side valve models Fitment: WL 1941-1952 G 1941-1963 Measurements: Length: 1-1/16" Thread: 1/4"-24

Colony - 9766-4 Acorn Type Tappet Block Screw Kit fits '95-'03 Sportster Model Acorn type tappet block screw kit. Fitment: XL 1995-2003

Colony - Head Bolt Kit fits '48-'84 Big Twin Models (OEM #16814-40, 6469) Features: Hardened to OEM specifications to prevent stretching Made in the U.S.A. Fitment 1977 Harley-Davidson 1200 Low Rider...

Colony - Head Bolt Kit fits '57-'72 Sportster Models (OEM #4714W) Features: Hardened to OEM specifications to prevent stretching Made in the U.S.A. Fitment 1972 Harley-Davidson Sportster 1000 XLH - - 1972 Harley-Davidson Sportster 1000 XLCH - - ...

Colony - Head Bolt Set fits '86-'91 Sportster Models (OEM #16478-85A, 16480-85A) Features: 12-point replacement headbolts Made in the U.S.A. Fitment 1992 Harley-Davidson Dyna Daytona FXDB - - 1991 Harley-Davidson Dyna Sturgis...

Feuling - Headbolt Kit fits '17-'22 M8 Models (3.125" Under Head Length) This kit features wide underhead flange bolts and hardened chamfered washers that provide even load distribution for the utmost surface sealing to prevent leaks. There are...

S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat Great news: S&S heads are now available to be used with stock-style flat-top pistons! The kits are fully assembled and come...

S&S Cycle - Retro Top-End Conversion Kit for 3.625" Bore Cylinders fits '66-'84 Shovelhead Engines Your Shovelhead will achieve the ultimate blast-from-the-past appearance of a Panhead with this Retro Top-End Conversion Kit from S&S Cycle! It...

S&S Cycle - Retro Top-End Conversion Kit for Stock Bore Cylinders fits '66-'84 Shovelhead Engines Your Shovelhead will achieve the ultimate blast-from-the-past appearance of a Panhead with this Retro Top-End Conversion Kit from S&S Cycle! It...

S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation, and even greater...

S&S Cycle - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders Features: Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also include...

S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake Complete kits also include rocker cover gaskets, head gaskets and miscellaneous hardware with instructions Use OEM manifolds and...

S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake This Cylinder Head Kit uses a band-style intake (not included). Sold in pairs, built with pride in the U.S.A. Features Heads come...

S&S Cycle - Super Stock™ Dual Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve...

S&S Cycle - Super Stock™ Single Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve...

S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...

S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models (.585" Lift) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation,...

S&S Cycle - Wrinkle Black Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 89cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...

S&S Cycle - Wrinkle Black Powdercoat 91cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 91cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...