- Assembled Height: 0.454"
- Height: 0.644"
- Pilot Dia.: 2.315"
- Internal Spline Tooth Count: 45
- Material: Hardened Steel
- Hub Mount: Flanged
- Pilot Type: Weld-In
OE damper hub splines in GM 258mm LU (4T65-E) converters are made of soft, low-carbon steel and are prone to failure. Sonnax high-strength splined insert GM-I-33 replaces worn or damaged splines, allowing salvage of the damper hub.
- Hardened steel for added strength and increased wear resistance
- Superior weld characteristics