1310 Spicer Bolt Pattern To Jet Pump Spline

This unit bolts to the PTO flange. This is the most standard u-joint assembly found in production style boats.
Size: Overall length is 7-1/2", spline shaft 1-3/8", and flange mount 2" x 2-3/8". Uses 3/8-24 bolts.
Note: The overall length does not include the PTO flange which is and additional one inch thick.

Jet H-Bar 1350 Driveline

This unit bolts to the PTO flange. Used for heavy duty jet H-bar for 600 horsepower and up.
Size: Overall length is 8-1/8", spline shaft 1-3/8", and flange mount 2-3/8" x 2-7/8". Uses 7/16-20 bolts.
Note: The overall length does not include the PTO flange which is and additional one inch thick.