Application Details
- Gen. 3 and 4 Small Block (LS-based engines)
- Gen. 5 Small Block (LT-based engines)
- Gen. 7 Big Block (8.1L Vortec)
Cylinder Numbering
- Front to back
- 1, 3, 5, 7 on the driver side
- 2, 4, 6, 8 on the passenger side
Firing Order
- 1-8-7-2-6-5-4-3