Swift Springs Standard Coilover Spring (Bulletproof) - ID: 2.55" / Length: 18" Coach Windsor but it also alters the

but it also alters the vehicle’s suspension geometry

2004 Mazda Mazda 3 4DR/4CYL FWD (BK3P)

1985 GMC C2500 Suburban

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Swift Springs Standard Coilover Spring (Bulletproof) - ID: 2.55" / Length: 18" Coach Windsor but it also alters theSwift Springs Bulletproof Series Coilover Springs in 2. 55" ID and 18" length are engineered for the extreme demands of competitive circle track and oval racing where springs face repeated high stress loading cycles. These 2. 55" ID Swift Bulletproof springs are manufactured in Japan from proprietary H5S. TW high tensile alloy steel, providing the enhanced durability and rate consistency that circle track racers require for long race distances and