Drive adapters to suit a variety of set ups. select from the drop down list.
Engine & Drive Shaft Pattern
measure drive shaft size across x down
1300-1310 measures 62mm x 51mm
1400-1410 measures 62mm x 74mm
Comes with crank bolts
Please note LS1 drive adapters come with OUR Specially made crank bolts.
Standard Chev is early 2 piece rear main
Late Model Chev is late 1 piece rear main Vortec