Integra Rear Coil Spring - 5.0" O.D. x 11" Tall - 225 lb. R010003YXL The Detroit Truetrac was the

The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand

Step Retard

making it far superior to stock GM calipers

Fits B&M Truck MegaShifter

1986-1993 Ford E-150 Econoline Club Wagon

Integra Rear Coil Spring - 5.0" O.D. x 11" Tall - 225 lb. R010003YXL The Detroit Truetrac was theFrom durability tested premium wire materials to specifically designed procedures which guarantee precision manufacturing. Integra Springs provide you a well engineered durable spring that ensures your springs will be there before and after the race. Integra coils are guaranteed to remain within 2% of original free height for as long as you own them. Features: Black powder coated Rate etched into end of spring Integra coils are guaranteed to remain 2%