Availability
1978 Engines & Components
Showing In Stock Items. Show All 53 Items.
Cylinder Head, Cast Iron, Assembled, 72cc Chamber, 165cc Intake Runner, Chevy, 302, 327, 350, 400, Each
Part Number: SUM-152123
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
BUILD IT WITH SUMMIT!
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SUM-180365
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-910442
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350 main, 383 stroker, Each
Part Number: SUM-180367
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each
Part Number: SUM-180370
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each
Part Number: SUM-180369
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, Cast Steel, Two Piece Rear Main Seal, 3.480 in. Stroke, Use With 5.70 in. Rod, Chevy, 350, Each
Part Number: SCA-935010
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each
Part Number: SCA-910454
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350 Mains, Each
Part Number: SCA-935056
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 3.85 in. Stroke, Ford, 351W, Each
Part Number: ESP-103513850
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4 in. Stroke, Chevy, Big Block, Each
Part Number: ESP-104544000
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each
Part Number: ESP-10350375057I
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each
Part Number: ESP-104544250
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 4.00 in. Stroke, Ford, 351W, Each
Part Number: ESP-103514000
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Fits With 6 in. Rods, Chevy, 400, Each
Part Number: SCA-940056
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 28 oz. External Balance, Cast Steel, 3.850 in. Stroke, Ford, 351W, Each
Part Number: SCA-9351W10
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 28 oz. External Balance, Cast Steel, 3.50 in. Stroke, Ford, 351W, Each
Part Number: SCA-9351W05
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Pontiac, Each
Part Number: ESP-104013750
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, Cast Steel, 4.00 in. Stroke, 2.100 in. Rod Journal, Ford, 351W, Use 28 oz. Balancer, Each
Part Number: SCA-9351W46
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, Internal Balance, Cast Steel, 3.58 in. Stroke, Chrysler, 360, Each
Part Number: ESP-103603580
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, 2-piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-9103750
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each
Part Number: SCA-910400
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Cylinder Head, Remanufactured, Assembled, OHV, 16 Valves, Designed for Naturally Aspirated Carbureted Gas Only Builds, Cast Iron, Natural, Ford, Each
Part Number: VRE-2F48
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Cyl Head, CHRY 360 75-88 CYL HEAD
Part Number: VRE-2D07
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each
Part Number: SCA-940050
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster