Click to enlargeSecondary Spring Kit

Holley 20-13 vacuum secondary spring tuning kit. Includes seven springs allowing you to custom tune when or if your vacuum secondaries open. Includes the white, purple, plain, brown, black and two yellow springs.

Holley 20-13 vacuum secondary spring kit 20-13$22.97

1. If there is an applications box, click, then scroll the applications box to find your vehicle.

2. Click on your vehicle.

3. Click "add to cart"

4. Enter your information and submit order.

5. If there is no applications box, then just click "add to cart", then enter your information.

PayPal Acceptance Mark

HOURS: 11:00 am to 6:00 pm Monday - Friday Eastern Standard Time

We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page.

We will not ship to freight forwarding - expediting companies.

PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.

ecommerce provided by Yahoo! Small Business