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Our GT coils prings are designed in house in colaboration with professional coil spring manufacturer engineers, 100% made in the USA.

PTFB GT coil springs are performance lowering springs, these coil springs will give you world class performance and have won many autoX events over the past 20 years from California to DC

Available for heavy (Big Block, Pontiac application) or light (Small Block, LS)
NOTE: PTFB coil springs can be trimmed to adjust ride height.

GT coil springs

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