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The spring loaded Gates tensioner ensures proper tension during hard acceleration and deceleration while compensating for belt stretch
SHP Line Features
these throttle bodies offer increased throttle blade thickness to eliminate deflection commonly found with other throttle bodies
These engines can be customized upon request (ex paint color
Callies Magnum BBC Crank, 4.250 Inch Stroke LS7 The spring loaded Gates tensionerCallies Performance is our primary supplier of cranks and rods. We use them because we believe they offer the best performance for the money and they work. Callies offer three levels of cranks, namely Compstar, Magnum and Ultra (billet). This 4. 250 inch stroke Magnum crank is forged in the USA from ultra pure Timken 4340 steel alloy. It uses a 2 piece rear seal and has standard rod and main journal dimensions of 2. 200 and 2. 750 inches respectively.