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OPGI Price: $129.99
Part Type: (G) Genuine General Motors product AT/AUTO = Automatic transmission
Sold As: EACH
CH23870 - 8" 400CI SB, externally balanced crank requires counter-weighted balancer
CH23871 - Auto flexplate for CH23870
CH23881 - 8" externally balanced BB, used in 454 and 502 LS6 and LS7