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Inner Main Bearing Bolt

From GM Performance - 1/2-13 x 3.34 inch, for cast iron big block V8s with four bolt main bearing caps. 10 required. (Mark IV)
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Shipping		 Engine Model(s) Years List Price Your Price Add to
37007 Chevy Big Block V8 - All Camaro Chevelle ChevyII ElCamino Impala Nova All 5.45 4.95/Each
From GM Performance - 1/2-13 x 3.52 inch, for Gen V big block.
PN Details Special
Shipping		 Engine Model(s) Years List Price Your Price Add to
37008 Chevy Big Block V8 - All Camaro Chevelle ChevyII ElCamino Impala Nova All 5.45 4.95/Each