QUICKCHANGE GEARSET 1 3/8",10 SPLINE,#19, 21T/25T 1927-1934 Chassis 1982-1987 FIREBIRD***

1982-1987 FIREBIRD***

OLDSMOBILE: 1964-1967 442 WITH A BIG BLOCK CHEVY ENGINE

BUILT IN TRANSMISSION COOLER

1963-1965 GMC 1000 SERIES

CURRIE 9-PLUS NOTCH-BACK REAR END WITH 31 SPLINE AXLES (CURRIE #CE-GMB5964X) CURRIE CRATE REAR ENDS ARE DESIGNED TO BE A BOLT-IN UPGRADE

QUICKCHANGE GEARSET 1 3/8",10 SPLINE,#19, 21T/25T 1927-1934 Chassis 1982-1987 FIREBIRD***TOOTH COUNT: 21 25 PREMIUM QUALITY WINTERS QUICKCHANGE GEARS 10 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 AT THE RIGHT TO SEE THE RATIOS ON EACH GEAR SET INCLUDING THIS ONE