Hypercoils OBD Quarter Midget Suspension Spring - 1.625" I.D. x 4.25" Tall - 150 lb. R07C08L No more losing air because

No more losing air because of a clogged filter

It is constructed from

1990-1997 Mazda Miata

Inlet filter meets or exceeds original equipment specifications and provides improved filtration/durability

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Hypercoils OBD Quarter Midget Suspension Spring - 1.625" I.D. x 4.25" Tall - 150 lb. R07C08L No more losing air becauseHyperco's OBD design concept has proven to be a performance advantage in many forms of racing from Indy Cars and Sports cars, to Dirt and Pavement Late Models. And now, they are available for 1 4 Midget competition! HYPERCOILS because the most important race is the one you are in. Hyperco is a supplier of precision engineered, high performance suspension springs and related components supporting the Motorsports, Street Performance, and Off Road