The Full or 6 piece Straight cut close ratio gearset is a direct replacement for the helical gearset in the Classic Mini A+ gearbox. All gears are replaced including the 1st gear and reverse idler. This means there is less stress through the laygear and shaft on compared to the 4 piece SCCR gearset.. This kit produces the following 1st thru' 4th ratios 2.544 1.731 1.258 1.000
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