GEAR SET,9" FORD,POSI TRAC-LOC,31 SPLINE,3.89 16" Wide Polished OR INTAKE MANIFOLD SWAPS

OR INTAKE MANIFOLD SWAPS

& FUEL PRESSURE IS 0-15 PSI

Recommended Tires & Wheels (Trimming May Be Required) 35 x 12

* (2) GRADE 8 TORSION ARMS BOLTS WITH WASHERS

THIS PAIR OF SOUTHWEST SPEED SMALL BLOCK CHEVY CHASSIS HEADERS ALLOW YOU TO KEEP THE EXHAUST SYSTEM UNDER YOUR 55-57 CHEVY CAR

GEAR SET,9" FORD,POSI TRAC-LOC,31 SPLINE,3.89 16" Wide Polished OR INTAKE MANIFOLD SWAPSCOMPLETE CENTER SECTION WITH A 3. 89 GEAR SOLD COMPLETELY ASSEMBLED WITH: *NEW 31 SPLINE TRAC LOC POSI UNIT *NEW RING & PINION *NEW TIMKEN BEARINGS *NEW PINION YOKE *NEW SOLID SHIM SET *3RD MEMBER GASKET *INSTRUCTIONS DETAILING PROPER BREAK IN PROCEDURE POSI UNIT IS A 4 PIN LIMITED SLIP TRAC LOC (SHOWN BELOW); IT IS A CLUTCH STYLE POSI UNIT; USING THIS PRODUCT DOES REQUIRE FRICTION MODIFIER IN THE GEAR LUBE PROFESSIONALLY SET UP WITH PROPER LASH