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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Thread Pitch: 11/16"-18 RH/LH
THESE BRAKE KITS REQUIRE AT LEAST 14" DIAMETER WHEELS
Determine which spline is on your steering box or rack
port shape is designed to deliver more performance and better fuel mileage compared to stock manifolds
FOR 1971-1987 GM TRUCKS
QUICKCHANGE GEARSET 1",6 SPLINE,#22,19T/27T Large Rubber Springs-3.345" O.D. Parts Thread Pitch: 11/16"-18 RH/LHTOOTH COUNT: 19 27 PREMIUM QUALITY WINTERS QUICKCHANGE GEARS 6 SPLINE PRECISION MATCHED SETS TO FIGURE EXACT GEAR RATIO, 1ST GET THE SPUR RATIO *SPUR RATIO=TEETH ON TOP GEAR DIVIDED BY TEETH ON BOTTOM GEAR THEN FIGURE THE GEAR RATIO *GEAR RATIO=SPUR RATIO X R&P RATIO CLICK ON THE CHART BELOW TO SEE THE RATIOS ON EACH GEAR SET INCLUDING THIS ONE Click Picture For Larger View
