Dura-bond “Red Box” Bi metal Seamless +.010″oversize cam bearings. Applications Big Block Chevy Gen 4 366/396/402/427/454 1967-2000. For blocks with repaired cam tunnels to correct machining defects. Has standard journal I.D. (Note these will not fit standard cam tunnel blocks, bearings O.D. measure 2.150″) Special order 5-7 business days. Made in the USA.
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