GEAR SET,9",ULTRA-LIGHTWEIGHT GEAR,LIGHTWEIGHT SPOOL,31 SPLINE,4.57 Rubber Bushing J-Bars The all-new enclosure design replaces

The all-new enclosure design replaces our original case for improved durability

CHARGE AIR TEMPERATURE / AMBIENT TEMPERATURE DELTA: 18 DEGREES F AT 6250 RPM (60% IMPROVEMENT OVER STOCK)

NOTE: FOR USE WITH 1973-1987 STYLE SPINDLES

Raw Unpainted finish

WEIGHS APPROXIMATELY 198 LBS

GEAR SET,9",ULTRA-LIGHTWEIGHT GEAR,LIGHTWEIGHT SPOOL,31 SPLINE,4.57 Rubber Bushing J-Bars The all-new enclosure design replacesCOMPLETE CENTER SECTION WITH A 4. 57 GEAR SOLD COMPLETELY ASSEMBLED WITH: *NEW LIGHTWEIGHT 31 SPLINE FULL SPOOL *NEW EXTRA LIGHTWEIGHT RING & PINION *NEW TIMKEN BEARINGS *NEW PINION YOKE *NEW SOLID SHIM SET *3RD MEMBER GASKET *INSTRUCTIONS DETAILING PROPER BREAK IN PROCEDURE PROFESSIONALLY SET UP WITH PROPER LASH PREMIUM RING & PINION IS CONSTRUCTED FROM 9310 HI NICKEL ALLOY PINION IS PRECISION MATCHED TO RING GEAR PINION YOKE IS 1310 SERIES SHORT