Page 680 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

SB Chevy Oil Pan Gasket Set SB Chevy Water Pump Gaskets
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6-Spline Quick-Change Gears
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3.78 R&P 4.11 R&P 4.33 R&P
Number Gear
Part No. Of Teeth Ratio Low High Low High Low High
SCS61 24/24 1.000 3.78 3.78 4.11 4.11 4.33 4.33
SCS62 26/27 1.038 3.64 3.93 3.96 4.27 4.17 4.50
SCS63 26/28 1.076 3.51 4.07 3.82 4.43 4.02 4.66
SCS63B 25/28 1.120 3.38 4.23 3.67 4.60 3.87 4.85
SCS63A 22/25 1.136 3.33 4.30 3.62 4.67 3.81 4.92
SCS64 22/26 1.181 3.20 4.47 3.48 4.86 3.66 5.12
SCS65 21/26 1.238 3.05 4.68 3.32 5.09 3.50 5.36
SCS65A 24/30 1.250 3.02 4.73 3.29 5.14 3.46 5.41
SCS66 21/27 1.285 2.94 4.86 3.20 5.28 3.37 5.57
SCS624 23/30 1.304 2.90 4.93 3.15 5.36 3.32 5.65
SCS625 18/24 1.333 2.84 5.04 3.08 5.48 3.25 5.77
SCS67 20/27 1.350 2.80 5.10 3.04 5.55 3.21 5.85
SCS623 16/22 1.375 2.75 5.20 2.99 5.65 3.15 5.95
SCS68 20/28 1.400 2.70 5.29 2.94 5.75 3.09 6.06
SCS622 19/27 1.421 2.66 5.37 2.89 5.84 3.05 6.15
SCS69 16/23 1.437 2.63 5.43 2.86 5.91 3.01 6.22
SCS610 22/32 1.454 2.60 5.50 2.83 5.98 2.98 6.30
SCS611 16/24 1.500 2.52 5.67 2.74 6.17 2.89 6.50
SCS612 21/32 1.523 2.48 5.76 2.70 6.26 2.84 6.60
SCS613 18/28 1.555 2.43 5.88 2.64 6.39 2.78 6.74
SCS614 21/33 1.571 2.41 5.94 2.62 6.46 2.76 6.80
SCS615 15/24 1.600 2.36 6.05 2.57 6.58 2.71 6.93
SCS616 16/26 1.625 2.33 6.14 2.53 6.68 2.66 7.04
SCS617 20/33 1.650 2.29 6.24 2.49 6.78 2.62 7.14
SCS618 20/34 1.700 2.22 6.43 2.42 6.99 2.55 7.36
SCS618A 15/26 1.733 2.18 6.55 2.37 7.12 2.50 7.51
SCS619 17/30 1.764 2.14 6.67 2.33 7.25 2.45 7.64

DYLAN WOODLING DONNIE JESCHKE JIM DEN HAMER
676 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES