COMP Cams Camshaft CS 270H-R10Fits '58 '021 262 400 cid Chevy Small Blocks 2 Mild street performance Slightly noticeable lope at idle Works with stock converter Needs aftermarket intake, headers, 3. 40 to 4. 10 rear gears Requires thrust button and wear plate and suitable timing cover with thrust button and built in wear plate High pressure high volume fuel pumps require bronze tip fuel pump pushrods OEM valve springs cannot be used Warning: Camshaft Optimized for use with a