At a Glance
- Condition: OEM used, all 6 cylinders compression tested
- Availability: In stock, 2JZ engines available (2JZ-GTE twin-turbo and 2JZ-GE NA variants)
- Shipping: Free shipping to all 50 states via freight, 5 to 10 business days
- Variant confirmed (2JZ-GTE twin-turbo or 2JZ-GE naturally aspirated)
- VVT-i status documented (pre-1997 non-VVT vs 1997+ VVT-i)
- Sequential twin-turbo operation verified (CT12B Hitachi, 2JZ-GTE only)
- Cast iron block visual inspection (closed-deck confirmed)
- DOHC 24-valve top-end inspection
- Donor vehicle documented (Aristo, Supra, Lexus, Mark II, Chaser)
- No core charge required
- Backed by a 15 day replacement warranty against internal defects
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SM420 Transmission for Sale | OEM Used GM Heavy-Duty 4-Speed Manual with Granny Low Gear (1947-1967)
Rated 5.00 out of 5
2 reviews
In Stock
At a Glance
- Condition: OEM used, all 4 forward gears plus reverse function tested
- Availability: In stock, multiple SM420 cores from 1947-1967 donor trucks
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- All 4 forward gears plus reverse function tested
- Granny low 7.05:1 first gear engagement verified
- Output shaft spline count documented (for driveshaft / yoke compatibility)
- Bellhousing pattern confirmed (varies between Chevy / GMC / military)
- Donor truck application documented (Advance Design, Task Force, New Design, Blue Chip)
- 100% inspection before every order ships
- Backed by a 15 day replacement warranty against internal defects



