POWERGLIDE Sonnax Race-Calibrated Servo Return Spring Kit 28133-HD

Sonnax Race-Calibrated Servo Return Spring Kit

Genuine Sonnax Race-Calibrated Servo Return Spring Kit for the GM, Chevrolet, GMC, Cadillac POWERGLIDE automatic transmission. Sonnax parts are the aftermarket standard for transmission repair and performance, engineered to correct common failure points and add durability beyond the original design.

Fitment

Fits POWERGLIDE units. Sonnax part number 28133-HD.

Why Sonnax

Trusted by professional builders and performance shops, Sonnax components are made in the USA to exacting tolerances. This is a direct-fit upgrade for a POWERGLIDE rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every POWERGLIDE order.

Special Order

This Sonnax part is available by special order. Contact us for current price and availability before ordering.