7.400" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods These chrome water necks from

These chrome water necks from Speedmaster add a touch of class to your cooling system

Narrow spring-loaded gate for easy operation

1011 A-ArmsOutter Diameter - 1 ¾" and 1"Inner Diameter - 1 ½" and ¾"Hole Size - 7/16"

With an adjustable vintage plastic snapback closure

Mounting hardware is included

7.400" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods These chrome water necks fromGet all of the performance that your engine can produce with these durable pushrods designed especially for high lift cams. Speedmaster pushrods are available in both 5 16 in. and 3 8 in. diameters. They feature . 080 in. wall thickness and are formed from 4130 chromoly steel. These one piece Speedmaster pushrods are heat treated for use with guideplates. They have a minimum wall thickness of . 080 in. to handle higher rpm, plus a black oxide finish.