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Who makes the best guide plate as far as getting the roller tip centered over the valve tip on the magnum head?

I need to order main bearings for my 71 360. As I recall there was something different between the early 1970s 360s and newer ones but what is it?

Just wondering if anybody has used these on these heads and how the geometry is??? Thinking about getting a set of 1.6's because the prw ones I got are junk. My rules specify steel rockers only so my options are very limited.

We have had these for years and never knew what brand they are. Any ideas??

My rockers oil through the shaft and they sent me pushrods with oil holes through them. They are the correct length but will this oil hole affect anything??? Or should I send em back???

Hey guys..I got Indy LA x heads from Hughes with stainless 1.5 prw rockers. I'm not happy with the wipe pattern on the valve as the pattern is toward the outer edge of the tip. I ordered some lash caps hoping they would help but I don't have enough valve tip for them to work...only about .085...

Hey guys..putting a 360 together with Indy x heads, prw 1.5 stainless rockers, Hughes cam with 558 lift with 1.5 rockers....last weekend I checked camshaft centerline etc and in the process checked lobe lift and it came out perfect. Tonight I started to check pushrod length and the most lift I...

Hey guys i just got a set of Indy x heads...my old man held an "la" fel pro header gasket up to the exhaust ports and the gasket blocks off the outer edges of the inner two exhaust ports....so im obviously worried about the exhaust running into a wall when it meets my headers....ideas???

Hey guys I got some rhs heads on the way from Hughes engines. I am gonna run these heads on a circle tracker and turn it 6500-6700. Rules state I can run roller tip rockers but they have to be steel only. The cam I'm getting from Hughes is around 560 lift. I'm new to this site but seen on a...