Cylinder Heads
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On Sale
S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat
S&S Cycle
MSRP: $1,479.95Now: $1,398.56Was: $1,553.95S&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...MSRP: $1,479.95Now: $1,398.56Was: $1,553.95 -
On Sale
S&S Cycle - Super Stock™ Dual Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders
S&S Cycle
MSRP: $1,849.95Now: $1,698.26Was: $1,886.95S&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...MSRP: $1,849.95Now: $1,698.26Was: $1,886.95 -
Colony - 9212-16 Cadmium Headbolt Kit fits '73-'85 Sportster Model
Colony Machine
$52.70Colony - 9212-16 Cadmium Headbolt Kit fits '73-'85 Sportster Model Headbolt kit with a cadmium finish. Fitment: XL 1973-1985$52.70 -
On Sale
S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
Now: $1,934.96Was: $2,149.95S&S Cycle - Silver 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...Now: $1,934.96Was: $2,149.95 -
On Sale
S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models
S&S Cycle
Now: $1,796.36Was: $1,995.95S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models S&S Cycle's 89cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation, and even greater...Now: $1,796.36Was: $1,995.95 -
Out of stock
Colony - 9766-4 Acorn Type Tappet Block Screw Kit fits '95-'03 Sportster Model
Colony Machine
$9.86Colony - 9766-4 Acorn Type Tappet Block Screw Kit fits '95-'03 Sportster Model Acorn type tappet block screw kit. Fitment: XL 1995-2003$9.86 -
Out of stock
V-Twin - Cylinder Head Set with Chrome Rocker Box fits '78-'84 FL/FX Models
V-Twin Manufacturing
$1,367.79V-Twin - Cylinder Head Set with Chrome Rocker Box fits '78-'84 FL/FX Models Set is assembled with cast iron guides, valve stem seals, chrome rocker box and nitrated valves. For use on 74" or 80" models with Shovelhead barrels Fitment: FL...$1,367.79 -
Out of stock
V-Twin - Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models
V-Twin Manufacturing
$41.62V-Twin - Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models Headbolt washer constructed of aluminum features a cadium plated finish. Fitment: UL 1937-1947 WL 1929-1952 G 1929-1973$41.62 -
Out of stock
Colony - Head Bolt Set fits '86-'91 Sportster Models (OEM #16478-85A, 16480-85A)
Colony Machine
$86.95Colony - 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...$86.95 -
Out of stock
Colony - Head Bolt Kit fits '57-'72 Sportster Models (OEM #4714W)
Colony Machine
$69.95Colony - 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 - - ...$69.95 -
Out of stockOn Sale
S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
Now: $1,796.36Was: $1,995.95S&S Cycle - Silver 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...Now: $1,796.36Was: $1,995.95
Harley Cylinder Heads
Harley cylinder heads are key to unlocking better combustion, more horsepower, and crisper throttle response. Whether you're rebuilding a vintage ride or dialing in your current setup, the right heads can completely transform your V-twin—bringing out that iconic Harley sound and strong, reliable torque.
At Deadbeat Customs, we carry Harley cylinder heads from top brands like S&S. These heads are made from premium aluminum and feature CNC-machined combustion chambers, multi-angle valve seats, and high-performance valve springs. Upgrade your motor with Harley cylinder heads that run cooler, last longer, and hit harder. Check out the collection and take your build to the next level.