Introducing the new KVS11-BT Beehive Spring & Titanium Retainer to suit the serious racer. Designed to match our newly released 214-D drag cams and to offer a big RPM, big BOOST application to the 4B11 world.

These springs are designed for 10,000+RPM and 50 lb's+ of boost making them the best performing springs available for the 4B11.

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Kelford Cams

Kelford Cams is a leading manufacturer of high-performance camshafts and valvetrain components for automotive engines. Specializing in precision-engineered products, Kelford Cams is known for its innovative designs that enhance engine power, torque, and reliability. Trusted by motorsport professionals and enthusiasts, Kelford Cams continues to provide cutting-edge solutions for performance tuning, delivering reliable and high-quality camshaft options for both street and racing applications.

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