Nationwide product support SUMMER20Summer Sale deals live now Free U.S. shipping over $99

Fast USA delivery FREEFree shipping on qualifying orders Tracked delivery

Real specialist support FSPPerformance parts from trusted brands Genuine parts only

Summer sale live nowSALE Grab ongoing Summer Sale deals Limited time only

Delivery & returns

Free USA shipping on qualifying ordersMon–Fri, 9:00 AM–5:30 PM ET

FULL SEND PARTSPerformance without compromise

Wishlist0

American performance collection

Cylinder Kits.

Refine your build

Fitment status

Verified vehicle fitment

Universal fit

Fitment review required

Fitment not verified

Supplier availability

In stock

Available from supplier

Department

Product attributes

Special order

Clearance

CARB status

Not CARB approved

Acknowledgement required

No CARB restriction indicated

Product type

Brand

Sort by

Clear

Image coming soon for Cylinder Works 12-23 Honda CRF 150 R 150cc Standard Bore Cylinder Kit

Cylinder Works

Cylinder Works 12-23 Honda CRF 150 R 150cc Standard Bore Cylinder Kit

$458.96 $539.95

Image coming soon for Cylinder Works 12-23 Honda CRF 150 R 150cc +2mm Big Bore Cylinder Kit 160cc 11.7:1 Comp. 68mm

Cylinder Works

Cylinder Works 12-23 Honda CRF 150 R 150cc +2mm Big Bore Cylinder Kit 160cc 11.7:1 Comp. 68mm

$660.20 $694.95

Image coming soon for Athena 68.00mm 392cc Bore Big Bore Cylinder (Right Side Only)

Athena

Athena 68.00mm 392cc Bore Big Bore Cylinder (Right Side Only)

$359.95

Image coming soon for Cylinder Works 11-14 Kawasaki KX 250 F 250cc STD Bore High Compression Cylinder Kit 13.9:1 Comp.

Cylinder Works

Cylinder Works 11-14 Kawasaki KX 250 F 250cc STD Bore High Compression Cylinder Kit 13.9:1 Comp.

$589.01 $692.95

Image coming soon for Cylinder Works 11-14 Kawasaki KX 250 F 250cc +3mm Big Bore Cylinder Kit

Cylinder Works

Cylinder Works 11-14 Kawasaki KX 250 F 250cc +3mm Big Bore Cylinder Kit

$751.40 $790.95

Image coming soon for Cylinder Works 11-12 KTM 350 SX-F 350cc +2mm Big Bore Cylinder Kit 365cc 13.5:1 Comp. 90mm

Cylinder Works

Cylinder Works 11-12 KTM 350 SX-F 350cc +2mm Big Bore Cylinder Kit 365cc 13.5:1 Comp. 90mm

$933.80 $982.95

Image coming soon for Cylinder Works 10-17 Honda CRF 250 R 250cc Standard Bore 76.8mm

Cylinder Works

Cylinder Works 10-17 Honda CRF 250 R 250cc Standard Bore 76.8mm

$387.55 $407.95

Image coming soon for Cylinder Works 10-13 Yamaha YZ 450 F 450cc Standard Bore Cylinder Kit 12.5:1 comp. 97mm

Cylinder Works

Cylinder Works 10-13 Yamaha YZ 450 F 450cc Standard Bore Cylinder Kit 12.5:1 comp. 97mm

$684.21 $804.95

Image coming soon for Cylinder Works 10-13 Yamaha YZ 450 F 450cc +2mm Big Bore Cylinder Kit 470cc 99mm

Cylinder Works

Cylinder Works 10-13 Yamaha YZ 450 F 450cc +2mm Big Bore Cylinder Kit 470cc 99mm

$856.85 $901.95

Image coming soon for Cylinder Works 10-13 Honda CRF 250 R 250cc Standard Bore High Compression Cylinder Kit 14.1:1 Comp.

Cylinder Works

Cylinder Works 10-13 Honda CRF 250 R 250cc Standard Bore High Compression Cylinder Kit 14.1:1 Comp.

$565.21 $664.95

Image coming soon for Cylinder Works 10-13 Honda CRF 250 R 250cc Standard Bore Cylinder Kit 13.2:1 Comp. 76.8mm

Cylinder Works

Cylinder Works 10-13 Honda CRF 250 R 250cc Standard Bore Cylinder Kit 13.2:1 Comp. 76.8mm

$508.26 $597.95

Image coming soon for Cylinder Works 09-16 Honda CRF 450 R 450cc Standard Bore 96mm

Cylinder Works

Cylinder Works 09-16 Honda CRF 450 R 450cc Standard Bore 96mm

$413.20 $434.95

Image coming soon for Cylinder Works 09-12 Honda CRF 450 R 450cc +3mm Big Bore Cylinder Kit 478cc 12.0:1 Comp. 99mm

Cylinder Works

Cylinder Works 09-12 Honda CRF 450 R 450cc +3mm Big Bore Cylinder Kit 478cc 12.0:1 Comp. 99mm

$756.95

Image coming soon for Cylinder Works 08-13 Yamaha YZ 250 F 250cc Standard Bore High Compression Cylinder Kit 13.9:1 Comp,

Cylinder Works

Cylinder Works 08-13 Yamaha YZ 250 F 250cc Standard Bore High Compression Cylinder Kit 13.9:1 Comp,

$638.31 $750.95

Image coming soon for Cylinder Works 08-13 Yamaha YZ 250 F 250cc Standard Bore Cylinder Kit 13.5:1 Comp. 77mm

Cylinder Works

Cylinder Works 08-13 Yamaha YZ 250 F 250cc Standard Bore Cylinder Kit 13.5:1 Comp. 77mm

$638.31 $750.95

Cylinder Works 08-13 Kawasaki KRF 750 Teryx 4x4 750cc Standard Bore 85mm Front Cylinder Only

Cylinder Works

Cylinder Works 08-13 Kawasaki KRF 750 Teryx 4x4 750cc Standard Bore 85mm Front Cylinder Only

$474.95 $499.95

Image coming soon for Cylinder Works 08-09 Honda CRF 250 R 250cc Standard Bore Cylinder Kit

Cylinder Works

Cylinder Works 08-09 Honda CRF 250 R 250cc Standard Bore Cylinder Kit

$518.46 $609.95

Image coming soon for Cylinder Works 07-15 Yamaha WR 450 F 450cc Standard Bore High Compression Cylinder Kit 13.5:1 Comp.

Cylinder Works

Cylinder Works 07-15 Yamaha WR 450 F 450cc Standard Bore High Compression Cylinder Kit 13.5:1 Comp.

$670.61 $788.95

Image coming soon for Cylinder Works 07-09 Suzuki RM-Z 250 250cc Standard Bore High Compression Cylinder Kit 13.8:1 Comp.

Cylinder Works

Cylinder Works 07-09 Suzuki RM-Z 250 250cc Standard Bore High Compression Cylinder Kit 13.8:1 Comp.

$609.41 $716.95

Image coming soon for Cylinder Works 07-09 Suzuki RM-Z 250 250cc Standard Bore Cylinder Kit 13.4:1 Comp. 77mm

Cylinder Works

Cylinder Works 07-09 Suzuki RM-Z 250 250cc Standard Bore Cylinder Kit 13.4:1 Comp. 77mm

$599.21 $704.95

Image coming soon for Cylinder Works 07-09 Honda CRF 150 R 150cc Standard Bore High Compression Cylinder Kit 12.2:1 Comp.

Cylinder Works

Cylinder Works 07-09 Honda CRF 150 R 150cc Standard Bore High Compression Cylinder Kit 12.2:1 Comp.

$492.96 $579.95

Image coming soon for Cylinder Works 07-09 Honda CRF 150 R 150cc Standard Bore Cylinder Kit

Cylinder Works

Cylinder Works 07-09 Honda CRF 150 R 150cc Standard Bore Cylinder Kit

$468.31 $550.95

Image coming soon for Cylinder Works 07-09 Honda CRF 150 R 150cc +2mm Big Bore Cylinder Kit 160cc 11.7:1 Comp. 68mm

Cylinder Works

Cylinder Works 07-09 Honda CRF 150 R 150cc +2mm Big Bore Cylinder Kit 160cc 11.7:1 Comp. 68mm

$660.20 $694.95

Image coming soon for Cylinder Works 06-14 Yamaha YFM 700 R Raptor 700cc Standard Bore High Comp Cylinder Kit 11.0:1 Comp

Cylinder Works

Cylinder Works 06-14 Yamaha YFM 700 R Raptor 700cc Standard Bore High Comp Cylinder Kit 11.0:1 Comp

$761.56 $895.95