Home > Speedometer Drive Gear 21 Tooth, 3.31 Red - 3987921
	Price: $12.95 PART NUMBER: TRA-132

Description   New transmission speedo gear for your classic. Correct red color and 21 tooth design. Exact fit for all automatic powerglide , turbo 350 and saginaw or muncie manual transmissions. Will not work for automatic turbo 400 transmissions. Factory match for 3.31 rear axle ratio with stockish size tires. You may have to do some trial and error. See gear selection chart in the installation and info tips on the home page. Replaces original GM part number 3987921 perfectly. PART NUMBER: TRA-132 Features Excellent quality Super easy to install Other Great Parts That You Might Need 1968 - 1974 Nova Speedometer Cable Firewall Grommet 1966 - 1972 Chevelle or Nova Speedometer Cable Support Routing Clip, Each Price: $9.95 Add Price: $10.95 Add

Share your knowledge of this product with other customers... Be the first to write a review