Availability
1978 Parts and Accessories
Crankshaft, Enduro, 3.750 in. Stroke, Custom Balance, Forged 4340 Steel, 2-piece Rear Main Seal Style, Chevy
Part Number: CRO-E95125X4
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, 454, Each
Part Number: CRO-E95133X4
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.25 in. Stroke, Custom Order, Chevy, 454, Each
Part Number: CRO-E95135X4
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.375 in. Stroke, Custom Order, Chevy, 454
Part Number: CRO-E95136X4
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-LW95115
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.750 in. Stroke, Custom Order, Chevy, 454
Part Number: CRO-E95140X4
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-LW95119
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-LW95121
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-LW95122
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-LW95124
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-LW95125
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.760 in. Stroke, Custom Order, Chevy, 454
Part Number: CRO-LW95132
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Custom Order, Chevy, 454
Part Number: CRO-LW95134
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Custom Order, Chevy, 454
Part Number: CRO-LW95136
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-ML95128
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95121
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95123
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95124
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95127
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, Ultra Light, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.760 in. Stroke, Chevy, 454, Each
Part Number: CRO-UL95132
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Each
Part Number: CRO-95133
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, Each
Part Number: CRO-95135
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.375 in. Stroke, Chevy, Each
Part Number: CRO-95136
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-piece seal, External balance, Forged 4340 Steel, 4.625 in. Stroke, Chevy, Each
Part Number: CRO-95139
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Complete Engine, SH-Series, Alternator Style, 93 in., 585 Cam, Super E Carb, Natural/Black Finish, Polished Covers, Harley-Davidson®, Shovelhead, Each
Part Number: SSY-31-9905
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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