Comp Cams 984-975 04207 Dual Valve Springs Aluminum By adding the Tanso Carbon

By adding the Tanso Carbon Fiber Front Lip to your WRX

or Scion FR-S to stand out with a more aggressive

Fully TIG welded and back-purged

Enhance the performance and styling of your McLaren GT with the STRATEC™ Carbon Fiber Vented Spoiler

and unbolting the factory manifold — you'll need jack stands

Comp Cams 984-975 04207 Dual Valve Springs Aluminum By adding the Tanso CarbonDual Valve Springs: 1. 430" O. D. Outer, . 697" I. D. Inner Dual Valve Springs from COMP Cams are manufactured from Super CleanT wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP