PEM Center Section - 5.29 Ratio - 31 Spline - Steel - Spool- Ford 9" DX2125K Designed with LS1 engine mounts

Designed with LS1 engine mounts

One gasket only

These smaller chips also have excellent heat dissipation characteristics

Highest Linearity and Guaranteed Rate - Consistency Within 2% Of Advertised Rate

One Engine Set Of Stock Replacement Coils

PEM Center Section - 5.29 Ratio - 31 Spline - Steel - Spool- Ford 9" DX2125K Designed with LS1 engine mountsProduct Description: Differential Case Assembled 5. 29 Ratio 31 Spline Steel Spool Natural Ford 9 in Sold Individually PEM Racing (Performance Engineering and Manufacturing) offers a wide selection of quick change gear sets, ring and pinion gears, differential cases, and other rear end components.