*Standard valve spring cannot be used.
*TODA Up Rated Valve Spring required
*TODA Cam Sprockets required.
*On installing confirming that there is enough, valve to piston clearance, valve to valve clearance, cam lobe to follower clearance on VTC operation.
*Programmable ECU with tunable VTC required.
Customers discretion required on selecting an ECU.
*Caution the exhaust finger follower (roller rocker-arm) may need modifying, due to contact with the cam lob.
♦Made to order