Vibrant AN Thread O-Ring, Box Set Consisting of An -3, -4, -5, -6, -8, -10, -12, -16. - 20999 1.25" to 1.5" your Focus ST will come

your Focus ST will come alive with charge air thats up to 100 DEGREES COOLER

Seams are Strategically Placed and Flat Sewn for Comfort

6/87-89 Mitsubishi Starion 2

The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications

Vibrant AN Thread O-Ring, Box Set Consisting of An -3, -4, -5, -6, -8, -10, -12, -16. - 20999 1.25" to 1.5" your Focus ST will comeQuantity: 10 Vibrant Performance O Rings are produced to work with standard AN specification and help ensure a reliable, leak free seal. They are a must when installing our Straight Cut (non flare) AN Fittings. They are resistant to gasoline and alcohol based fuels, including E85.