COMP Cams Camshaft CB 266H-R12

Marsoni

M251S

$387.50

Get it in 3 business days with 1 day shipping. Friday, May 29

COMP Cams Camshaft CB 266H-R12BBC 1965 66 396 c. i. d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1 800 999 0853 or contact us, and we will assist you with placing an order. Catalog User 1 This Part Fits: Year Make Model Submodel 1967 1975 Chevrolet Bel Air Base 1967 1972 Chevrolet Biscayne Base 1973 1974 Chevrolet Blazer Base 1969 1972 Chevrolet

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Ran this for 5k and did oil analysis. It performed identically to Mobil 1 ESP 5w30. No issues, stayed in grade, nothing negative. That said, it was no better than ESP and wear metals were functionally the same as multiple other similar rated oils. It’s perfectly fine, but not better. It’s a great value. I wouldn’t use it for extended oil change intervals. No oil consumption noted.

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Reviewed in the United States on March 23, 2026

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Carol

Battle Creek, US

★★★★★ 5

Great oil

Size: 1 Quart Pack of 6

Love it.

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Reviewed in the United States on April 18, 2026

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