19259119
Transmission Installation Kit – 4L80 Series

• Use with all LS engines to mate transmission fully with the engine
• Includes flywheel cover, hardware and fastener torque specifications
• Does not include flexplate
• Use flexplate 12654640 for 6-bolt crankshaft engines and SuperMatic™ converters
• Use flexplate 12636325 for 8-bolt crankshaft engines and Super-Matic™ converters
• All production converters must use crankshaft adapters