Under harsh operating conditions in high-tuned engines, the stock cam chain tensioner can become deformed, causing unexpected trouble.

SPL cam chain tensioners are made of machined aluminum, which increases strength. In addition, the tensioner push rod contact surface has been widened to prevent deformation and trouble.
 
Arm: Machined aluminum with hard anodized finish
Push rod contact width: 10.5mm (standard: approx. 5mm)
Roller shaft: Steel
*Standard push rod and cam chain guide roller are used.
*Left crankcase cover gasket is required separately for installation.
Genuine L crankcase cover gasket
　11395-K1M-T01, 11395-K1M-T02