GEAR SET,9",LIGHTWEIGHT SPOOL,31 SPLINE,3.89 3 Gauge Panels 1 - 1/2" FINE X

1 - 1/2" FINE X 2" LONG HEX HEAD BOLT

0 Series Shocks

BACK SPACING: OE

IT EXTENDS THE POWER BAND TO BE MORE ROBUST & POWERFUL FROM 5000 RPM TO REDLINE WHEREAS WITHOUT TUNING THE BULK OF THE GAINS ARE FROM 6000 RPM TO REDLINE

IF YOU NEED THE 5 X 4 1/2"

GEAR SET,9",LIGHTWEIGHT SPOOL,31 SPLINE,3.89 3 Gauge Panels 1 - 1/2" FINE XCOMPLETE CENTER SECTION WITH A 3. 89 GEAR SOLD COMPLETELY ASSEMBLED WITH: *NEW LIGHTWEIGHT 31 SPLINE FULL SPOOL *NEW 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 YOKE FITS U JOINTS