FREE shipping over $99 to continental USA 🇺🇸

We ship FAST. Order before 3PM CST and it SHIPS!

Shipping warehouse in central USA. Site inventory updated hourly ✅

Hammerhead Performance Exhaust Kit for GY6

GY6 Performance Parts

If you're looking to take your go-kart or buggy to the next level, you're in the right place. From "mild" to "wild" we carry performance parts to fit most budgets and skill levels.   With our basic upgrades like roller weights and variators, you can fine-tune your engine's power delivery, providing a smoother and more responsive ride. Add add a high-flow UNI air filter kit so your engine can breathe easier, delivering more power and torque for better acceleration and top speed.

But that's not all - performance exhaust systems are also available for GY6 engines, allowing you to unlock even more horsepower and achieve a deep, throaty sound that will turn heads. Whether you're looking to upgrade your go-kart's top speed, acceleration, or overall performance, our performance parts are the way to go.

So why settle for stock performance when you can take your go-kart or buggy to the next level with high-quality performance parts? Whether you're a casual weekend warrior or a serious racer, GY6 performance parts will give you the competitive edge you need to get ahead of your riding buddies.
Price
  • -
Show all Price
Brands
Sold Out
Regular price $275.00
Sale price $275.00
Regular price
Unit price
per 
This is a special order item.High PerformanceReplaces the restrictive exhaust system.Free of baffles or other internal restrictions.Mandrel bent header pipe.Deep throaty exhaust note.Built-in spark...
Sold Out
Regular price $119.00
Sale price $119.00
Regular price
Unit price
per 
This featherweight battery packs a punch with over 150 cold cranking amps (CCA). Has a built-in battery tester for seeing your charge at a glance.Suitable for reliable 150cc to 250cc start-ups.
Sold Out
Regular price $5.45
Sale price $5.45
Regular price
Unit price
per 
This jet fits the Mikuni VM26-606. Can be easily swapped/accessed without taking off the float bowl, by removing the small jet cover on the bottom of the carburetor.Does not fit the VM26 clones. Th...
Sold Out
Regular price $5.45
Sale price $5.45
Regular price
Unit price
per 
This jet fits the Mikuni VM26-606. Can be easily swapped/accessed without taking off the float bowl, by removing the small jet cover on the bottom of the carburetor.Does not fit the VM26 clones. Th...
Sold Out
Regular price $5.45
Sale price $5.45
Regular price
Unit price
per 
This jet fits the Mikuni VM26-606. Can be easily swapped/accessed without taking off the float bowl, by removing the small jet cover on the bottom of the carburetor.Does not fit the VM26 clones. Th...
Regular price $8.50
Sale price $8.50
Regular price
Unit price
per 
These springs change the engagement RPM of your clutch. Useful in racing or hill climbing, but not usually for normal riding conditions.
Regular price $11.99
Sale price $11.99
Regular price
Unit price
per 
These springs change the engagement RPM of your clutch. Useful in racing or hill climbing, but not usually for normal riding conditions.
Sold Out
Regular price $8.25
Sale price $8.25
Regular price
Unit price
per 
These springs change the engagement RPM of your clutch. Useful in racing or hill climbing, but not usually for normal riding conditions.
Sold Out
Regular price $159.99
Sale price $159.99
Regular price
Unit price
per 
Includes: Left and Right Crankcases 3x Bearings (pressed in) 1x Final transmission seal 3x Bushings (pressed in) 4x Left/Right Cylinder Studs Pre-assembled: Bearings and bushings come assembled to ...
Sold Out
Regular price $159.95
Sale price $159.95
Regular price
Unit price
per 
Includes: Left and Right Crankcases 3x Bearings (pressed in) 1x Final transmission seal 3x Bushings (pressed in) 4x Left/Right Cylinder Studs Pre-assembled: Bearings, seal, and bushings come assemb...
Sold Out
Regular price $6.49
Sale price $6.49
Regular price
Unit price
per 
This head gasket comes with the 62mm Big Bore Kit, and our 175cc engine.
Regular price $9.75
Sale price $9.75
Regular price
Unit price
per 
Overall length: 63mm [2.48"] Nipple OD: 6.65mm [.26"] Nipple ID: 3.75mm [.15"] 2 position Compatible with many 50cc-150cc 4 stroke 108289 11550A872 10mm x 1.25 (fine thread)
Sold Out
Regular price $6.95
Sale price $6.95
Regular price
Unit price
per 
Genuine Mikuni VM26 Main Jet - #145 [KM4042145]Details: 4/042-145 Brass Fits Mikuni carburetors VM18 (clamp on), VM24-512, VM26-512, VM26-606, TMX Series and others that originally came with 4/042 ...
Sold Out
Regular price $6.95
Sale price $6.95
Regular price
Unit price
per 
Genuine Mikuni VM26 Main Jet - #140 [KM4042140]Details: 4/042-140 Brass Fits Mikuni carburetors VM18 (clamp on), VM24-512, VM26-512, VM26-606, TMX Series and others that originally came with 4/042 ...
Sold Out
Regular price $149.99
Sale price $149.99
Regular price
Unit price
per 
This large 63mm cylinder head comes with the 27mm/24mm valve combination, with valve-matched ports.
Regular price $13.74
Sale price $13.74
Regular price
Unit price
per 
LiquiTube Sportsman Tire Sealant - 16 Ounce Repairs and protects tires and maintains air pressure year round Permanent flat tire protection Seals ALL sources of air loss - puncture leaks in tread ...