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Engines and Components› Pistons and Piston Rings

CP Pistons

CP Pistons 99-07 Suzuki Hayabusa 12.5:1 Heavy Duty 84mm +3mm OS Bore x 63mm Stroke 1396cc Piston Kit

$1,089.00 $1,034.56 Save $54.44

SKU: C00A M4004A

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The CP Pistons M4004A is a forged piston kit for the 1999-2007 Suzuki Hayabusa GSX-R1300 with an 84.0mm bore and 12.5:1 compression ratio. It includes pistons, rings, wire locks, and wrist pins.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCP Pistons
Part NumberC00A M4004A

Videos

Hayabusa Engine Rebuild Part 2 - piston preparation

Hayabusa Engine Rebuild Part 2 - piston preparation
Hayabusa Engine Rebuild Part 3 - Installing pistons and head

Hayabusa Engine Rebuild Part 3 - Installing pistons and head
Hayabusa Engine Rebuild Part 1 - Engine teardown

Hayabusa Engine Rebuild Part 1 - Engine teardown
Suzuki GSX1300R Hayabusa Engine Restoration | Start to Finish.

Suzuki GSX1300R Hayabusa Engine Restoration | Start to Finish.
Hayabusa Motor Assembly from Scratch to Testing in 2 Days

Hayabusa Motor Assembly from Scratch to Testing in 2 Days

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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