Neapco N2-3-5981X – 1330 Series Transmission Slip Yoke – 28 Spline
The Neapco N2-3-5981X is a transmission slip yoke designed for reliable driveline performance in street, restoration, and performance applications. Manufactured by Neapco, this slip yoke features a full-spline design and is compatible with 1330 series U-joints.
Featuring a 28-position spline configuration, 1.500" seal diameter, and 5.969" centerline-to-end length, this slip yoke is an excellent replacement for worn or damaged transmission slip yokes in compatible Ford and aftermarket manual transmission applications.
Product Specifications
| Specification | Details |
|---|---|
| Manufacturer | Neapco |
| Manufacturer Part Number | N2-3-5981X |
| Material | Steel |
| U-Joint Series | 1330 |
| Spline Tooth Count | 27/28 (28-position configuration) |
| Spline Type | Full Spline |
| Spline Outside Diameter | 1.219" |
| Seal / Barrel Diameter | 1.500" |
| Centerline to End of Spline | 5.969" |
| Centerline to Face of Washer | 1.047" |
| Barrel Length | 4.250" |
| U-Joint Bearing Cap Diameter | 1.062" |
| U-Joint Width | 3.625" |
| Joint Angle | 15° |
| Country of Origin | USA |
Transmission Applications
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Ford C4 Automatic
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Ford AOD Automatic
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Ford T5 Manual
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Ford Toploader 4-Speed
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BorgWarner T10
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Tremec TR3550
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Other compatible 28-spline Ford and aftermarket transmissions
Features & Benefits
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Genuine Neapco driveline component
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Durable steel construction
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Compatible with 1330 series U-joints
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Full-spline design
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28-position transmission output shaft compatibility
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Precision-machined 1.500" seal surface
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Suitable for street, restoration, and performance applications
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Direct replacement for compatible transmission slip yokes
Important Fitment Information
Verify transmission output shaft spline count, spline outside diameter, seal diameter, U-joint series, and centerline-to-end length before ordering. Transmission output shaft configurations may vary by application.
Important: This slip yoke uses a 27/28 spline configuration, commonly described as a 28-spline yoke with one missing spline position (blind spline). Verify compatibility with your transmission output shaft before ordering.
The 1.500" seal diameter and 1330 series U-joint dimensions are especially important when confirming proper fitment.
Transmission applications listed are general references. Always confirm dimensions and driveline configuration before purchasing.