AUTOMATIC TRANSMISSION INSTALLATION KITS
19125817
Bell Housing Kit – LT Engine
- Unique bell housing kit enables 1996 and later 4L60, 4L65, 4L70 and 4L75 four-speed automatic transmissions to be matched with the Gen V LT1 engine
- Use with 8-bolt flexplate kit P/N 19329416
24283284
8L90-E Installation Kit for LT1 & LT4 (slip yoke only)
24284144
8L90-E Installation Kit for LT4 (fixed yoke only)
19259117
Transmission Installation Kit – 4L60/4L70 Series
- Use with 4L60, 4L65, 4L70 and 4L75-E transmissions on LS engines with 6-bolt crankshaft flange
- Includes flexplate, flexplate covers, fasteners and instruction sheet
- Does not fit LSA, LSX454, LS9, LT1 or LT4 engines.
19329416
16 Transmission Installation Kit – 4L60/4L70 Series
- Use with 4L60, 4L65, 4L70 and 4L75-E transmissions on LS engines with 8-bolt crankshaft flange
- Includes flexplate, flexplate covers, fasteners and instruction sheet
- Fits LSA, LSX454, LT1 and LT4
19332781
Transmission Installation Kit – 4L60/4L70 Series
- Use with 4L60, 4L65, 4L70 and 4L75-E transmissions on Small-Block and Big-Block crate engines with 6-bolt crankshaft flange
- Designed to be used with SuperMatic™ converters
- Does not include flexplate
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 specs
- Does not include flexplate
- Use flexplate 12654640 for 6-bolt crankshaft engines and SuperMatic™ converters
- Use flexplate 12636325 for 8-bolt crankshaft engines and SuperMatic™ converters
- All production converters must use crankshaft adapters (see kits below)
19332784
Transmission Installation Kit – 4L80 Series
- Use with all Big-Block crate engines to mate transmission fully with the engine
- Includes flywheel cover, hardware and fastener torque specs
- Designed to be used with SuperMatic™ converters
- Does not include flexplate
19125597
8-Bolt Crankshaft Adapter Kit – LSA/LSX454
- Use with LSA, LSX454 and LSX454R crate engines with 8-bolt crankshaft flange
- Includes flexplate, adapter hub and hardware
- Provides the correct converter pilot support for production 4L80/85-style torque converters
- Conventional 6-bolt flexplates do not bolt up to LSA and LSX454 engines
19154766
Transmission Adapter Kit
- Allows installation of Gen III/IV-style 4L60-E/4L65-E transmission onto Gen I and II engines using production-style torque converter
- Includes spacer ring, shims, dowels, bolts and flexplate
- Works on one-piece rear main seal engines only (e.g., Ram Jet 350)
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