S&S Cycle
S&S Cycle delivers premium performance parts for Harley-Davidson motorcycles, blending racing heritage with American engineering. From exhaust systems and air cleaners to the iconic S&S Super E Carburetor and 475 Cam, every component is designed for power, reliability, and precision. Upgrade your Harley with S&S Cycle for unmatched throttle response and durability, whether on the street or the strip.
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S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines
S&S Cycle
$840.95S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock...$840.95 -
S&S Cycle - Retro Top-End Conversion Kit for 3.625" Bore Cylinders fits '66-'84 Shovelhead Engines
S&S Cycle
$4,499.95S&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...$4,499.95 -
Out of stock
S&S Cycle - Retro Top-End Conversion Kit for Stock Bore Cylinders fits '66-'84 Shovelhead Engines
S&S Cycle
$3,995.95S&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...$3,995.95 -
S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake
S&S Cycle
$1,723.95S&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...$1,723.95 -
S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake
S&S Cycle
$1,723.95S&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...$1,723.95 -
Out of stock
S&S Cycle - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders
S&S Cycle
MSRP: $1,899.95$1,895.95S&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,...MSRP: $1,899.95$1,895.95 -
Out of stock
S&S Cycle - Quickee Pushrod Kit with Gloss Black Covers fits '17-Up M8 Models
S&S Cycle
$334.95S&S Cycle - Quickee Pushrod Kit with Gloss Black Covers fits '17-Up M8 Models The S&S Cycle Quickee Pushrod Kit with Gloss Black Covers is the perfect upgrade for '17-Up M8 Models. The kit...$334.95 -
S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit
S&S Cycle
$409.95S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit Features: Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life Each lifter body and...$409.95 -
S&S Cycle - Tappet Cuffs fits '06-'21 XL Models (Exc. '21 Sportster S/RH1250S) Repl. OEM #18505-06
S&S Cycle
$81.95S&S Cycle - Tappet Cuffs fits '06-'21 XL Models (Exc. '21 Sportster S/RH1250S) Repl. OEM #18505-06 With these cuffs, you can capture the tappets and not worry about affecting vertical motion to...$81.95 -
S&S Cycle - TC3 Oil Pump- fits '07-'17 Twin Cam & '06 Dyna Models
S&S Cycle
MSRP: $499.95$495.95S&S Cycle - TC3 Oil Pump- fits '07-'17 Twin Cam & '06 Dyna Models Features: Three stages for consistent pressure and reliable scavenging Separate scavenge sections for flywheel cavity...MSRP: $499.95$495.95 -
S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '99-'06 Twin Cam (Exc. '06 Dyna)
S&S Cycle
$836.95S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '99-'06 Twin Cam (Exc. '06 Dyna) Features: Precision CNC machined forged aluminum Increased structural strength Dimensional...$836.95 -
S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '07-'17 Harley Twin Cam
S&S Cycle
$836.95S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '07-'17 Harley Twin Cam Features: Precision CNC machined forged aluminum Increased structural strength Dimensional...$836.95 -
S&S Cycle - Steel Rotary Breather Gear fits '84-'99 Harley Models - Big Twin
S&S Cycle
$125.95S&S Cycle - Steel Rotary Breather Gear fits '84-'99 Harley Models - Big Twin Features: All-steel construction Welded-in screen Higher flow than stock Elongated breather pocket...$125.95 -
S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '78-'91 Harley Big Twin
S&S Cycle
$31.95S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '78-'91 Harley Big Twin Features: Master rebuild kit for S&S oil pump. Made in the U.S.A...$31.95 -
S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '92-'99 Harley Models
S&S Cycle
$39.95S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '92-'99 Harley Models Features: Master rebuild kit for S&S oil pump. Made in the U.S.A...$39.95 -
S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Twin Cooled™ Engines
S&S Cycle
$836.95S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Twin Cooled™ Engines S&S Cycle's Oil Pump and Cam Support Plate Kit for '17-'21 M8 Models with Twin Cooled...$836.95 -
S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Oil-Cooled Engines
S&S Cycle
$836.95S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Oil-Cooled Engines S&S Cycle's Oil Pump and Cam Support Plate Kit for '17-'21 M8 Models with Oil-Cooled Engines...$836.95 -
S&S Cycle - Oil Pump fits '17-'23 M8 Water-Cooled Touring Models
S&S Cycle
MSRP: $587.95$495.95S&S Cycle - Oil Pump fits '17-'23 M8 Water-Cooled Touring Models S&S Cycle's Oil Pump for '17-'23 M8 Water-Cooled Touring Models delivers a 44% flow increase on the supply side and a 58%...MSRP: $587.95$495.95 -
S&S Cycle - Oil Pump fits '17-'23 M8 Oil-Cooled
S&S Cycle
MSRP: $615.95$495.95S&S Cycle - Oil Pump fits '17-'23 M8 Oil-Cooled S&S Cycle's Oil Pump for '17-'23 M8 Oil-Cooled Touring Models delivers a 20% flow increase on the supply side and a 52% flow increase on...MSRP: $615.95$495.95 -
Out of stock
S&S Cycle - Billet Cam Plate fits '17-'21 Harley M8 Models
S&S Cycle
MSRP: $406.95$395.95S&S Cycle - Billet Cam Plate fits '17-'21 Harley M8 Models Features: Precision machined from billet aluminum Blue anodized finish Passage plugs are removeable for servicing Made in U...MSRP: $406.95$395.95 -
S&S Cycle - Aluminum Hydraulic Cam Chain Tensioners Kit - fits '07-'17 Twin Cam, '06 Dyna
S&S Cycle
$175.95S&S Cycle - Aluminum Hydraulic Cam Chain Tensioners Kit - fits '07-'17 Twin Cam, '06 Dyna Features: For use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade...$175.95 -
On Sale
S&S Cycle - Headbolt Kit fits '84-'99 Evolution Big Twin, '99-'17 Twin Cam & '86-'21 XL Models (exc. '21 S/RH1250S)
S&S Cycle
MSRP: $102.95Now: $92.66Was: $149.95S&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...MSRP: $102.95Now: $92.66Was: $149.95 -
Out of stock
S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads
S&S Cycle
$149.95S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads Features Set of 8 Head Bolts & Washers 4 Head Bolts: 12 pt, 3/8-16 x 3.384" x .950" TD$149.95 -
S&S Cycle - Wrinkle Black Powdercoat 91cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,795.95S&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...$1,795.95 -
S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models
S&S Cycle
$2,149.95S&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...$2,149.95 -
S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
MSRP: $2,149.95$1,995.95S&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...MSRP: $2,149.95$1,995.95 -
S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,995.95S&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...$1,995.95 -
Out of stock
S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$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...$1,995.95 -
S&S Cycle - Wrinkle Black Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,995.95S&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...$1,995.95 -
Out of stock
S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models
S&S Cycle
$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...$1,995.95 -
S&S Cycle - Super Stock™ Single Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders
S&S Cycle
$1,895.95S&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,...$1,895.95 -
S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models (.585" Lift)
S&S Cycle
$1,795.95S&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...$1,795.95 -
Out of stock
S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat
S&S Cycle
$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...$1,553.95 -
Out of stock
S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Natural
S&S Cycle
$1,468.95S&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...$1,468.95 -
Out of stock
S&S Cycle - Super Stock™ Dual Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders
S&S Cycle
$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, ...$1,886.95 -
S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models
S&S Cycle
$122.95S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models This rocker arm stud kit lengthens the life of your cylinder heads AND helps prevent damage to the rocker arm towers! You can...$122.95 -
S&S Cycle - Super E Carburetor Master Rebuild Kit
S&S Cycle
$112.95S&S Cycle - Super E Carburetor Master Rebuild Kit This kit includes a body, an accelerator pump, fasteners, springs, an idle mixture screw and seat and needle assembly. Built with pride in the U...$112.95 -
Out of stock
S&S Cycle - Guardian Black Diamondback 50 State 2-into-1 State Exhaust System fits '17-'20 Touring Models
S&S Cycle
$1,769.95S&S Cycle - Guardian Black Diamondback 2-into-1 State Exhaust System fits '17-'20 Touring Models This full stainless steel exhaust system comes with stainless steel header pipe heat shields. Its...$1,769.95 -
S&S Cycle - Guardian Black Diamondback 2-into-1 Race Only Exhaust System fits '17-'23 Touring Models
S&S Cycle
$1,338.95S&S Cycle - Guardian Black Diamondback 2-into-1 Race Only Exhaust System fits '17-'23 Touring Models This full stainless steel exhaust system comes with stainless steel header pipe heat shields...$1,338.95 -
S&S Cycle - Chrome Tuned Induction Air Cleaner Kit fits '17-Up M8 Harley Models
S&S Cycle
MSRP: $675.95$595.95S&S Cycle - Chrome Tuned Induction Air Cleaner Kit fits '17-Up M8 Harley Models In a performance engine, air flow is of the utmost importance. Air flow, of course, starts in the air filter. The...MSRP: $675.95$595.95
S&S Cycle – High-Performance Harley-Davidson Engines, Exhausts & Motorcycle Parts
S&S Cycle has been a powerhouse in Harley-Davidson performance engineering since 1958, known for building some of the most reliable and powerful V-Twin engines in the world. From the iconic S&S Super E Carburetor to the Grand National Exhaust and Stealth Air Cleaner Kits, every part embodies decades of racing experience and precision craftsmanship, helping riders unlock true American horsepower.
Whether you’re upgrading with S&S camshafts, big bore kits, lifters, oil pumps, or pushrods, each component is designed for maximum performance, durability and throttle response. Riders trust S&S Cycle exhausts and engine upgrade kits for their proven power gains, crisp acceleration and unmistakable exhaust note, perfect for Harley enthusiasts who want both street and track-ready performance.
S&S Cycle also offers advanced intake, ignition and lubrication systems, giving riders the tools to fine tune every aspect of their Harley-Davidson. With a legacy rooted in racing innovation and American craftsmanship, S&S Cycle performance parts deliver the perfect balance of power, reliability and engineering excellence, making it the top choice for those who live and breathe V-Twin performance.