Engines and Components› Crankshafts and Components
Mr. Gasket
Hardened Crank Key Long Style Fits Chevrolet 283-400 Gen I Small Block Mr Gasket
SKU: M00S 983G
Easy — 1–2 hours
Description
Part #: 983G
Long style. The offset cam and crankshaft key is another method to increase torque and horsepower within the operating range you select.Details:Emission Code: 5Finish: BlackMaterial: SteelWarranty: Manufacturer's Limited 90 Day Warranty
Fits Chevrolet 283-400 Gen I Small Block
MIA's Description
It is compatible with various Chevrolet, Chrysler, and Dodge V8 engines, including specific applications like the Chevy small block Gen I 4.6L/283 from 1957-1967.
Fitment
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Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 983G |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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