MAP Billet Timing Chain Tensioner Guide MITSUBISHI 4B11T RAMP One-directional slot design eliminates the

One-directional slot design eliminates the need for left and right disc

Precision closed loop cam control (four cam

Connecting Rod Bolt Material: ARP2000 alloy

High strength overlay plate with reduced thickness for improved fatigue properties

OEM Mitsubishi Input Shaft Seal

MAP Billet Timing Chain Tensioner Guide MITSUBISHI 4B11T RAMP One-directional slot design eliminates theEvo X Billet Timing Chain Tensioner By MAPerformance Did you know the Evo 10 4B11T timing chain tensioners are cast from hardened plastic from the factory? While acceptable on stock engines, this plastic has been known to warp after seeing repeated high engine RPM's, which lowers their life considerably. This also allows for slight deflection of the chain, causing minor timing inaccuracies. By installing a billet timing chain tensioner from