PEM Standard Quick Change Gears - Set #15 PAC Racing Springs 16" long and 4-1/4" Diameter

16" long and 4-1/4" Diameter body

Anatomico Short

Speed Nuts are ready for instant use (thread chasing not required)

300" Tall Endure-X Solid Roller Lifters from COMP Cams are engineered to withstand the demands of aggressive cam lobe designs and increased RPM ranges

Refer to ID guide and measurement drawings for specifications

PEM Standard Quick Change Gears - Set #15 PAC Racing Springs 16" long and 4-1/4" DiameterProduct Description: Quick Change Gear Set Standard Set 15 10 Spline 4. 11 Ratio 4. 33 3. 91 4. 86 Ratio 5. 10 4. 63 Steel 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.