CSR Performance Products 360 Degree Swivel Filler Neck w/16an - Black 42030BL Large increases above stock cam

Large increases above stock cam from off idle to the rev limiter

Non-Schrader

Machined aluminum restrictor has a 5/8" I

4 AN Male to 1/8 in NPT Male Swivel

Includes Required Mounting Hardware

CSR Performance Products 360 Degree Swivel Filler Neck w/16an - Black 42030BL Large increases above stock camProduct Description: Water Neck 90 Degree 16 AN Male Filler Neck Swivel O Ring Hardware Included Billet Aluminum Black Anodized Chevy V8 Sold Individually CSR Performance Products have been manufacturing high quality, American made high performance products since 1989. The product line consists of water pumps, cooling products, starters, accessories, Transmission shields and more. CSR Performance Products continually strive to add new durable, high