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OPGI Price: $242.99
Part Type: (G) Genuine General Motors product
Sold As: EACH
2016 Chevelle Catalog Page: 393
CH23870 – 8" 400CI small-block, externally balanced crank requires counter-weighted balancer.
CH23871 – Auto flexplate for part# CH23870
CH23881 – 8" externally balanced big-block, used in 454 and 502, LS6 and LS7