Spline Drive Sets and Accessories

Peterson's Spline Drive system is the easiest and strongest drive system available. It includes a splined mandrel hub that allows you to retain a stock crank bolt to eliminate breakage. The splined pulleys and accessories feature a keyless assembly allowing for easy pulley changes.

Drive Sets

Small Block Chevy/ATI/MSD
06-4111 3 Bolt Spline Drive Hub

Big Block Chevy/ATI/MSD
06-4112 3 Bolt Spline Drive Hub

Ford/ATI/MSD
06-4113 3 Bolt Spline Drive Hub
06-4114 4 Bolt Spline Drive Hub

Fontana Midget
06-4160 3 Bolt Spline Drive Hub

Spline Drive Hub & Cap Washers

Peterson’s Spline Drive requires washers on the hub and cap for belt retention and pulley alignment. Caps and hubs include one size washer but we also offer the washers separate for changes in pulley diameters giving a cost effective solution for a drive change.


06-0711 Guide Washer 2.250” x 1/8”
06-0712 Guide Washer 2.750” x 1/8”
06-0713 Guide Washer 3.250” x 1/8”
06-0714 Guide Washer 3.500” x 1/8”

Drive Caps

Standard Length


06-0726 Drive Washer Cap, 2.250”
06-0727 Drive Washer Cap, 2.750”
06-0728 Drive Washer Cap, 3.250”
06-0729 Drive Washer Cap, 3.500”
06-0730 Drive Washer Cap w/Nut, 2.250”
06-0731 Drive Washer Cap w/Nut, 2.750”
06-0732 Drive Washer Cap w/Nut, 3.250”
06-0733 Drive Washer Cap w/Nut, 3.500”

2.250” Length


06-0770 Drive Washer Cap, 2.250”
06-0771 Drive Washer Cap, 2.750”
06-0772 Drive Washer Cap, 3.250”
06-0773 Drive Washer Cap, 3.500”
06-0760 Drive Washer Cap w/Nut, 2.250”
06-0761 Drive Washer Cap w/Nut, 2.750”
06-0762 Drive Washer Cap w/Nut, 3.250”
06-0763 Drive Washer Cap w/Nut, 3.500”

Mandrel Spacers

06-0739 1/8” Spacer
06-0740 1/4” Spacer
06-0741 3/8” Spacer
06-0742 1/2” Spacer
06-0743 3/4” Spacer
06-0744 1” Spacer
06-0746 1 1/4” Spacer

Hub Spacers

06-4211 .250” SBC Spacer
06-4212 .375” SBC Spacer
06-4213 .500” SBC Spacer
06-4214 .625” SBC Spacer
06-4215 .750” SBC Spacer
06-4222 .375” BBC Spacer
06-4242 .375” SBF Spacer

Stack Adapters

06-0726 2.200 OD
06-0727 2.700 OD
06-0722 3.200 OD
06-0723 3.500 OD