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You MUST get a "Roller Cam" timing set. Yes, the chain is roller (single/double), but the cam gear is designed to mate to a roller cam as the snout it is different. Now, you can get or use your original if it is good if you order a "Retro-Fit" roller cam. The cam snout is made to be the same...
A roller cam has different lift #'s than a flat tappet cam, and the lobe ramps are usually more aggressive too. Get the springs recommended by the cam manufacturer for that specific cam you want.
Spring Tester...
They did no install the eccentric and used a taller cupped washer to tighten the cam bolt. With an eccentric motor, the cam snout protrudes the cam gear by the eccentric thickness so a taller cupped washer is needed to remove the eccentric. A roller cam is flush with the gear so it uses just a...
Your machine shop will have/source the guides for you. I prefer cast iron replacements myself; I have seen too many K-Liners fall out, sry PHR... :bananadance:
No, take your heads to a machine shop and have them install 3/8"x 0.502" replacement guides, and cut the guide for positive seals. When people screw up the guides doing it incorrectly, I end up putting in 3/8"x 9/16" guides in to bring them back. I can go 3/4", but you will hit water, and I...
Guide diameter is large, 0.625" or larger. If you want Dual valve springs, cut them for positive seals for 0.562" OD guides. Should not need spring locators like pnora said, the head has good spring pockets. Depending on the OD of the spring, you might have to cut larger spring pockets. Now...