Sonnax sprag AL-SP-1 features a double-cage design for more positive engagement and increased strength when holding. This part replaces the later, 36-element sprag, which is prone to failure with the one-cage design. The AL-SP-1 replaces both Allison® 1000, 2000, 2400 early and late (2006-up) style units.
Double-cage design
More positive engagement
Increased strength

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