Manley Pushrods 25339-8

Are these pushrods soild??? or oil trough type?

25339-8

Shop High Performance Push Rod 25339-8 From Manley Today

I have a Small block LA type, with through the shaft oiling system

You know that’s for 8 right. If I’m going to spend that much money I’m getting custom pushrods. Also on many of these heads 3/8 pushrods will require clearancing. Especially if you start playing around with rocker ratios