Page 3 of Lunati Crankshafts by Holley Performance Products, Inc.

cams pro seriestm crankshafts small block chevrolet v8 pro series crankshafts valve train note must use chamfered bearings part number ad111dn ae111dn ax111dn af111dn ag111dn at111dn ah111dn aj111dn aj211dn ak211dn am111dn am211dn ao111dn ao211dn au211en ap211en stroke 3.000 3.250 3.350 3.480 3.500 3.550 3.625 3.750 3.750 3.800 3.875 3.875 4.000 4.000 4.125 4.250 main size 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.648 2pc-2.648 2pc-2.448 2pc-2.648 2pc-2.448 2pc-2.648 2pc-2.648 2pc-2.648 pin size 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 minimum rod length 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.125 6.125 pistons rods big block chevrolet v8 pro seriestm crankshafts cranks note must use chamfered bearings engine kits part number bj421in bo421in bu421in bp421in bb421kn bq421kn br421mn bs421mn bn421mn bv4211n b54211n stroke 3.750 4.000 4.125 4.250 4.375 4.500 4.625 4.750 4.875 5.000 5.300 main size 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 2pc-2.750 pin size 2.200 2.200 2.200 2.200 2.200 2.200 2.200 2.200 2.200 2.200 2.200 minimum rod length 6.385 6.385 6.385 6.385 6.385 6.385 6.700 6.700 6.700 7.200 7.200 apparel note these crankshafts have 8 counterweights to lower the bearing loads tech line 662-892-1500 277

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