Part Number: SPRK-B58B

Description: Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit

Fitment: 19+ Toyota Supra 3.0T

Details:

All Supertech Performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high RPMs. Using high-quality steel alloy also provides the added benefit of better structural memory for all of their springs.

Supertech Performance valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. They also utilize computer software that allows them to ensure that the harmonics are under control. This, combined with their high-quality steel alloy, enables Supertech Performance valve springs to be more durable in extreme conditions, giving your performance racing engine a serious competitive advantage in both performance and durability.

Supertech retainers are manufactured with high-quality military certified Titanium alloy and are CNC machined for a tight fit. Their high-quality retainers are among the best in the industry.