Tru-Coil® Sport Mod Coil Spring Kit, 5.5x9.5/5x13, 175-650lb

These complete racing coil spring sets are designed for use on IMCA Northern Sport Mods along with similar classes by the names of Limited Mod, B Mod, E Mod, etc.

• Complete front and rear spring set
• For IMCA Northern Sport Mods/Limited Mod/B Mod/E Mod/etc.
• For Impala stub applications
• Custom spring rate package specifically selected by our experienced race techs
• Chrome Vanadium Steel construction
• Guaranteed consistent rates for all springs
• Powdercoated finish

Kit Includes:

• (1) Tru-Coil® 5.5" x 9.5" Racing Front Spring - 600 lb Rate
• (1) Tru-Coil® 5.5" x 9.5" Racing Front Spring - 650 lb Rate
• (1) Tru-Coil® 5" x 13" Racing Rear Spring - 175 lb Rate
• (1) Tru-Coil® 5" x 13" Racing Rear Spring - 200 lb Rate

For more information check out suggested spring setup chart for  and  

Installation Note:

These kits require the rear springs to be mounted on top of the axle tube for 2-link style rear suspensions.

Tru-Coil® 5.5" x 9.5" Racing Front Springs

Tru-Coil Racing Springs® front coil springs are simply the finest on the market. These front coil springs are designed exclusively for oval track racing, and are guaranteed to withstand the rigorous conditions of the track. What makes these springs so durable is that they're constructed from chrome vanadium steel. Chrome vanadium steel is a premium material that has unbeatable strength and toughness, plus is fatigue resistant to scorching hot temperatures. Tru-Coil Racing Springs® front coil springs are guaranteed to stay "Tru" to their rate and shape.

Along with a chrome vanadium steel construction, these front coil springs have a powder coated finish. Powder coating is tougher than paint, resulting in a more durable product with superior corrosion protection. With their highly visible, remarkable purple color, these coil springs are easy to spot in victory lane. They can be used with shims or weight jacks and come in various rates ranging from 475 to 1450. Varying rates allows a racer a greater range in their chassis setup. Spring rates are marked on the coil spring for easy identification. Tru-Coil Racing Springs® front coil springs are ground flat on one end. 

• Can be used with shims or weight jacks
• Ground flat on one end
• 9-1/2" free height
• 5-1/2" O.D.
• 5-1/2" front springs fit:
  • 1973-Up Chevelle, Monte Carlo
  • 1970-Up Camaro, Firebird
  • 1975-Up Nova and most Fords

Tru-Coil® 5" x 13" Racing Rear Springs

Any dirt oval track racer knows how harsh the racing environment can be. Tru-Coil Racing Springs® rear coil springs are designed specifically to withstand the rigors of dirt oval track racing. These rear coil springs are the most durable on the market due to precision manufacturing and the high quality chrome vanadium steel construction. Chrome vanadium steel is a material that has amazing strength and toughness, plus it's resistance to fatigue under high temperatures is second to none. These springs are guaranteed to stay "Tru" to their rate and shape. 

Tru-Coil Racing Springs® rear coil springs have a powdercoated, not painted, finish. Powder coating is tougher than paint which means it has superior corrosion protection. Offered in a stunning purple color, these coil springs can easily be seen when walking past victory lane. Varying spring rates will allow the racer a greater range in their chasiss setup. Rates start at 125 and increase up to 300, and are marked on the spring for easy identification. These springs are also ground flat on both ends. 

• 13" Free Height
• 5" Outside Diameter
• Ground flat on both ends

IMCA Modified Car (JPG)

Street Stock Car (JPG)