February 2017 Service Special! Differential Service – Click here to print coupon.
- Drain & refill differential with GM fluid & positraction additive
- Recommended every 50,000 miles
Service Special $105.95 with coupon. 1955-1996 models Regular Price $129.95
Service Special $149.95 with coupon. 1997-current models (requires synthetic oil) Regular Price $169.95
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