PRODUCT DESCRIPTION Inset Driveshaft Set for 12.3 WB SCX10 & SCX10 2 RTR Platforms Universally hardened steel Splined coupling construction 0.157in Set pins included for attaching to pinion and transmission Splines are keyed to allow driveshafts to be installed in phase Compatible with standard 3 gear transmission scale joint and spline diameter Sized for realistic appearance Front Compressed Length:3.450 Front Extended Length:4.650 (allow 0.500 spline engagement, recommended not to exceed this length) Rear Compressed Length:3.80 Rear Extended Length:5.00 (allow 0.500 spline engagement, recommended not to exceed this length)