COMETIC

COMETIC Primary Gasket Kit C9888

Regular price $4,156⁰⁰ TWD

In stock (459 units)
COMETIC Primary Gasket Kit C9887

Regular price $3,251⁰⁰ TWD

In stock (104 units)
COMETIC Rocker Gasket - .020" C9563

Regular price $267⁰⁰ TWD

In stock (5 units)
COMETIC Primary Gasket C9943F5

Regular price $938⁰⁰ TWD

In stock (95 units)
COMETIC Rocker Gasket - .020" C9561

Regular price $234⁰⁰ TWD

In stock (57 units)
COMETIC Rocker Gasket - .020" C9576

Regular price $435⁰⁰ TWD

In stock (324 units)
COMETIC Rocker Gasket - Evo C9866

Regular price $435⁰⁰ TWD

In stock (83 units)
COMETIC Rocker Gasket - .020" C9986

Regular price $971⁰⁰ TWD

In stock (16 units)
COMETIC Rocker Gasket Kit - XL C9954

Regular price $2,077⁰⁰ TWD

In stock (23 units)
$64.00 off

COMETIC Tappet Block Gasket - XL C9955

Sale price $446⁰⁰ TWD Regular price $510⁰⁰

In stock (69 units)
COMETIC Top End Gasket -.045" C9951

Regular price $4,793⁰⁰ TWD

In stock (100 units)
Sold out

COMETIC Top End Gasket - 3-3/4" - Big Twin C9771

Regular price $4,558⁰⁰ TWD
Sold out

COMETIC Top End Gasket - Axtell C9959

Regular price $4,341⁰⁰ TWD
COMETIC Top End Gasket - 1200 XL C9970

Regular price $4,558⁰⁰ TWD

In stock (84 units)
COMETIC Top End Gasket - 1200 XL C9854F

Regular price $4,558⁰⁰ TWD

In stock (52 units)
Sold out
$98.00 off

COMETIC Top End Gasket - .030" - 1200 XL C9907

Sale price $4,243⁰⁰ TWD Regular price $4,341⁰⁰
COMETIC Top End Gasket - .030" C9844

Regular price $4,793⁰⁰ TWD

In stock (146 units)
COMETIC Top End Gasket - 1200 XL C9971

Regular price $4,558⁰⁰ TWD

In stock (46 units)
COMETIC Top End Gasket - 3-13/16" C9768

Regular price $5,530⁰⁰ TWD

Very low stock (1 unit)
Sold out

COMETIC Top End Gasket - 3-3/4" C9770

Regular price $4,625⁰⁰ TWD
Sold out
$98.00 off

COMETIC Top End Gasket - 3-13/16" C9769

Sale price $4,243⁰⁰ TWD Regular price $4,341⁰⁰
COMETIC Top End Gasket - 70 & 80" C9967

Regular price $4,323⁰⁰ TWD

In stock (6 units)
COMETIC Top End Gasket - 883 XL C9759

Regular price $4,558⁰⁰ TWD

In stock (23 units)
COMETIC Top End Gasket - 4" - S&S C9917

Regular price $4,558⁰⁰ TWD

In stock (52 units)
COMETIC Top End Gasket - FL/FLH C9968

Regular price $4,323⁰⁰ TWD

Low stock (4 units)
Sold out

COMETIC Top End Gasket - 3-5/8" C9918

Regular price $4,323⁰⁰ TWD
COMETIC Base Gasket - .010" - XL C9100

Regular price $1,072⁰⁰ TWD

Very low stock (1 unit)
COMETIC Top End Gasket - Standard - .030" C9845

Regular price $4,793⁰⁰ TWD

In stock (123 units)
Sold out

COMETIC Base Gasket - 4" - .010" C9937

Regular price $1,072⁰⁰ TWD
COMETIC Base Gasket - Twin Cam 4" - .020" C9738

Regular price $1,072⁰⁰ TWD

In stock (6 units)
Sold out

COMETIC Base Gasket - Evo - .010" C9101

Regular price $1,072⁰⁰ TWD
COMETIC Base Gasket - 4-1/8" Twin Cam - .010" C9938

Regular price $1,072⁰⁰ TWD

Very low stock (1 unit)
Sold out

COMETIC Base Gasket - 4.125" - .020" C9739

Regular price $1,072⁰⁰ TWD
COMETIC Base Gasket - 3-5/8" - .010" C9532

Regular price $1,072⁰⁰ TWD

In stock (5 units)
Sold out

COMETIC Base Gasket - Standard C9987

Regular price $1,072⁰⁰ TWD
Sold out

COMETIC Base Gasket - XL 3-5/8" C9554

Regular price $1,072⁰⁰ TWD
COMETIC Cam Gasket Kit C9664

Regular price $2,346⁰⁰ TWD

In stock (634 units)
COMETIC Chain Cover Gasket - XL C9957

Regular price $267⁰⁰ TWD

In stock (158 units)
COMETIC Base Gasket - 3-5/8" C9989

Regular price $1,072⁰⁰ TWD

In stock (6 units)
COMETIC Base Gasket - 3-5/8" C9988

Regular price $1,072⁰⁰ TWD

Very low stock (1 unit)
COMETIC Cam Cover Gasket - XL C9944F5

Regular price $301⁰⁰ TWD

In stock (23 units)
COMETIC Derby Cover Gasket - Twin Cam C9997F5

Regular price $301⁰⁰ TWD

In stock (1762 units)
COMETIC Head Gasket - 4.125" - .030" C9910

Regular price $1,977⁰⁰ TWD

In stock (118 units)
COMETIC Head Gasket - 4.125" - S&S Super Sidewinder - .045" C9934

Regular price $1,977⁰⁰ TWD

In stock (6 units)
COMETIC Head Gasket - 4.125 - .040" C9743

Regular price $1,977⁰⁰ TWD

In stock (91 units)
Sold out

COMETIC Head Gasket - Standard - .040" C9984

Regular price $1,977⁰⁰ TWD
Sold out

COMETIC Head Gasket - 4.25 - VROD - .027" C9897

Regular price $3,926⁰⁰ TWD
COMETIC Head Gasket - Standard - VROD - .030" C9896

Regular price $4,122⁰⁰ TWD

Low stock (2 units)
COMETIC Head Gasket - 3 5/8" - .040" C9985

Regular price $1,977⁰⁰ TWD

In stock (8 units)
COMETIC Complete Gasket Kit - Evo C9846F

Regular price $11,397⁰⁰ TWD

In stock (73 units)

Let customers speak for us

from 670 reviews

Will Be Back!

I recently purchased the Arrow Race-Tech Slip-On Exhaust (Aluminum Dark) for my Kawasaki Z900 (’17–’24), and I couldn’t be happier. The quality is top-tier—lightweight, beautifully finished, and it gives the bike the deep, aggressive sound it should’ve had from the factory. Throttle response feels smoother, and the overall riding experience is noticeably more exciting.

Huge shoutout to Bill from Bills Exhaust. His communication was excellent from start to finish—quick replies, honest info, and genuinely great customer service. The exhaust shipped fast with no delays, no issues, and no backorder nonsense. Exactly what you want when ordering parts for your bike.

If you’re on the fence, go for it. The exhaust is incredible, and Bill makes the whole process even better. Highly recommend!

Brian Brayley

12/01/2025

71856AKN Arrow Race-Tech Slip-on Exhaust, Aluminum Dark for Kawasaki Z900 17-24

Arrived super quick

Arrived super quick, no complaints

Anonymous

11/20/2025

IN STOCK M4 Exhaust GP Black Slip on GSXR600/750 2011-2025 SU6112-GP

Great customer support

Great customer support, fast shipping and delivery , and great quality exhaust . Sounds nice 👍🏼 would definitely recommend

Atticus

11/13/2025

IN STOCK M4 Exhaust GP19 Black Slip On 2009 - 2025 2026 ZX6R zx6 KA6922-GP19

Fast service and the pipe is very well made

Fast service and the pipe is very well made.

72188PD Arrow H.D.1250 Pan America 20-25 Racing St. Steel De-Catalyzed Collector

Purchased the power core 4 along with the mega bomb header

Purchased the power core 4 along with the mega bomb header. Sounds great! Looks even better! Slammed them both on my 22’ KX 250f.

ROBERT T CLARK

11/11/2025

FMF Powercore 4 Muffler KX250F/X 2021-2023 042392 1821-2038

Was trying to find a reseller for Graves products. Stumbled upon this site. No hassles. Ships to Australia (big plus). Now I can mod my dream bike.
Exhaust is gnarly, obnoxious... exactly what I want! Makes all the right sounds.
I'd buy another one if I had another bike.
Super easy fitment, shaved off so much weight with the titanium build.
Absolute piece of art.

Nazzy

11/05/2025

Bill's Exhausts

Great price and amazing sound

Great price and amazing sound.

Michael Adams

10/27/2025

AKRAPOVIC Carbon Fiber Muffler NINJA 400 /500 2018-2025 S-K4SO6-APC 1811-3515

This system with a BT Moto tune sounds and feels amazing

This system with a BT Moto tune sounds and feels amazing. The weight reduction, power increase makes this bike handle even better.
The titanium exhaust system looks amazing.

Lou D

10/19/2025