New vacuum secondary diaphram for Holley 4160 type carbs. Holley part number 135-4.

Will fit Holley 4150, 4160, some 4165, Avenger, & Street Avenger. Also fits similar Barry Grant, Demon, QFT, Proform, AED, & many others. 

Manufactured from the highest quality materials.

Combine with other items & save on shipping.

Custom rebuild kits also available. The finest parts money can buy. Contact me for a quote.

25+ yrs. rebuilding & modifying Holley carbs. Hundreds of parts in stock. Anything you need, feel free to get in touch.

Thanx for looking ! ! !