At a Glance

• Condition: OEM used, all 4 forward gears and reverse tested
• Availability: In stock, M22 Rock Crusher transmissions available
• Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
• Case casting verified (authentic M22 Rock Crusher, NOT M20 or M21)
• Date code documented where visible
• Donor vehicle context noted where known
• 30-degree gear cut angle confirmed (the Rock Crusher identifier)
• Input shaft spline count verified (10 spline, 1 inch)
• Output shaft spline count verified (27 spline standard, 1.375 inch)
• Shift forks inspected
• 1-2 and 3-4 synchros assessed
• Case integrity inspected (no cracks at typical stress points)
• Backed by a 15 day replacement warranty against internal defects