Product Description
New National Engine Crankshaft Repair Sleeve, model SX-41EK. Designed as a direct replacement for the rear crankshaft on Lotus Super Seven vehicles from 1961 through 1968. Manufactured in the United States. Interchanges with Timken, SKF, C299, VEMO, and King 54-7 reference numbers.
Product Specifications
BrandNational
TypeEngine Crankshaft Repair Sleeve
Manufacturer Part NumberSX-41EK 1968 1967 1966 1965 1964 1963
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C299 VEMO King 54-7
Placement on VehicleEngine > Hardware Fasteners Fittings
Compatible MakeLotus
Compatible ModelSuper Seven
Compatible Year1968 1967 1966 1965 1964 1963 1962 1961
Core ChargeFree - No Core Charge
PositionRear
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine National Engine Crankshaft Repair Sleeve
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Placement on VehicleEngine > Hardware Fasteners Fittings
Fitment TypeDirect Replacement
Core ChargeFree - No Core Charge
Bundle Description1 pc Genuine National Engine Crankshaft Repair Sleeve
Country of OriginUnited States
Vehicle Fitment
| Year | Make | Model | Engine | Trim | Transmission |
|---|
| 1961 | Lotus | Super Seven | | | |
| 1962 | Lotus | Super Seven | | | |
| 1963 | Lotus | Super Seven | | | |
| 1964 | Lotus | Super Seven | | | |
| 1965 | Lotus | Super Seven | | | |
| 1966 | Lotus | Super Seven | | | |
| 1967 | Lotus | Super Seven | | | |
| 1968 | Lotus | Super Seven | | | |
Always compare the part number and listed specifications with your original part before ordering.