Graves Motorsports Ninja 400 / Ninja 500 High Precision Cam Chain Tensioner

Graves Motorsports Ninja 400 / Ninja 500 / Z400 / Z500 High Precision Cam Chain Tensioner. Professionally developed under strict Graves Racing Services championship winning engine build guidelines. New Ninja 400 specific features - Longer Cam chain tensioner bolt for better compatibility with deck-cut engines.

Note: You will need need a replacement timing cover gasket from your local Kawasaki dealer.

Cost VS Quality

Compare our product to the competitions product and the cost

Graves Product

Adjustment shaft is made of grade 5 titanium with a satin black fresh green process giving it a Rockwell 70 surface hardness. Machined to a 1.0 threads per millimeter allowing the tuner to adjust the tension on the chain to an exact specification = less friction and consistent cam timing = more power.

The Competitors shaft is made of mild steel all thread material with SAE course thread 

Graves Cam Chain Body

Designed to support the shaft as close to the cam chain running block as possible for maximum shaft support and minimum shaft flex.

The Competitors Body Designed to hold the shaft and plugs the oil relief hole 

Graves’s lock nut

Hard anodized for a reliable fit, strong threads, light weight and great looks

The competitor’s nut course thread steel nut

You can compare the price but you cannot compare the quality. Take both of these to your engine builder and ask them which one they would install in your motor when their reputation is on the line!- Chuck Graves

Fitment:  Kawasaki Ninja 400 2018-2023 / Ninja 500 2024 + (Also fits Z400 + Z500 models 2018 +)

Video shown on ZX-6R

Part number: CMK-18EX4-PCT