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Auto Gear Upgraded Ultra Case M22 Rock Crusher 4-speed. Perfect Performance Replacement. Camaro, Corvette, Nova, Chevelle, GTO, 442.2025 Spring SALE!!! (Copy)
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Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. 2025 Spring SALE!!!
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GASSER MUNCIE SUPER DUTY ULTRA CASE M23 4-Speed. 2025 Spring SALE!!!
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GM 1963 to 1974 Automatic to Muncie 4-Speed Transmission Complete Conversion Swap Kit. 2025 Spring SALE!!!
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Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. 2025 Spring SALE!!!
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NEW Auto Gear Upgraded Ultra Case Muncie Heavy Duty M20 or M21 4-Speed. Camaro, Corvette, Chevelle, Nova. 2025 Spring SALE!!!
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RACING Muncie Slick Shift Clutch-less Super Duty M23 Upgraded Ultra Case 4-speed Drag Racing Rock-Crusher. 2025 Spring SALE!!!
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Rebuild and Re-gear Service Available! Contact Jeff for details.
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Super Pro Road/Race Muncie Upgraded Ultra Case M22 Rock-Crusher. 2025 Spring SALE!!!
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Ultra Pro Super N24 Heavy Duty Muncie 4-Speed. Pro Street, Road Race and Gasser. Limited Production!!! 2025 Spring SALE!!!
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Ultra Pro Super N24 Heavy Duty Ultra Case Muncie 4-Speed. Gasser Race with Long V-Gate Shifter. Limited Quantity!! 2025 Spring SALE!!!