AFCO Coil-Over Spring - 2.5 in ID - 8 in Length - 300 lb/in Spring Rate - Chrome 23-FLT-NFO-XL 3 AN Male to 12

3 AN Male to 12 mm x 1

The more spring force exerted on the retainer (as the valve opens)

Cam sprocket dowel pin hole must be drilled to

Look for QA1 Springs

344 in Long

AFCO Coil-Over Spring - 2.5 in ID - 8 in Length - 300 lb/in Spring Rate - Chrome 23-FLT-NFO-XL 3 AN Male to 12Product Description: Coil Spring Coil Over 2. 5 in ID 8 in Length 300 lb in Spring Rate Steel Chrome Sold Individually The AFCO advantage is available in thousands of products for a wide range of applications. AFCO's passion to be the best is the reason that professional racers have relied on AFCO products for over two decades. AFCO's winning products start with winning design and engineering.