SKU:10-0003

S&S Cycle Stock Bore Shovelhead Engine Crankcase 31-0003 for Harley FL 1970-79

S&S Cycle Stock Bore Shovelhead Engine Crankcase 31-0003 for Harley FL 1970-79

Regular price $1,507.99 USD
Sale price $1,507.99 USD Regular price
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S&S Cycle Stock Bore Shovelhead Engine Crankcase Set 31-0003 for Harley FL (1970–1979)

Pre-assembled and ready to install, this crankcase set is built for complete engine assembly on Harley-Davidson FL models from 1970 to 1979. The stock bore design accepts flywheels up to 8-1/2 inches in diameter, enabling rebuilds that maintain original specifications.

Key components come prepared for immediate assembly: the Timken left-side bearing and race assembly, a seal and seal spacer, an oil pump drive bushing, a needle bearing, and a right-side pinion race — all pressed in and line-honed for precise fit and reliable performance. The crankcase includes nickel-plated case bolts and cylinder studs, a magnetic drain plug, and essential crankcase fittings to simplify installation. A manufacturer’s Statement of Origin is included for authenticity and traceability of your rebuild project.

To ensure compatibility, S&S recommends pairing this crankcase with the #12-8002 Oil Pump Assembly for seamless integration. The kit is designed for durability and ease of installation, and is made in the USA.

Fitment (per product details): Harley Davidson FL models from 1970–1979, with listed compatibility extending to various FL/FLT/FX/FXR models through 1984.

  • Includes: Timken left-side bearing and race, seal and seal spacer, oil pump drive bushing, needle bearing, pinion race
  • Pre-assembled and line-honed for ready-to-assemble performance
  • Stock bore design accepts flywheels up to 8-1/2 inches in diameter
  • Nickel-plated case bolts and cylinder studs, magnetic drain plug
  • Manufacturer’s Statement of Origin for authenticity
  • Accessory items: 16-1839 - Jims Crank Assembly Removal Tool, 16-0135 - Crankcase Main Bearing Lap Tool, 16-0966 - Hand Spot Tool
Crankcase set comes ready to assemble.

The S&S Cycle Stock Bore Shovelhead Engine Crankcase Set is designed for complete engine assembly and offers precision-fit components for Harley Davidson FL models from 1970 to 1979. This comprehensive kit comes pre-assembled with a Timken left side bearing and race assembly, a seal and seal spacer, an oil pump drive bushing, a needle bearing, and a pinion race for the right side, all pressed in and line-honed for optimal performance. The crankcase features a stock bore and is capable of accepting flywheels up to 8-1/2 inches in diameter, making it ideal for rebuilds and restorations that require original specifications. Included are nickel-plated case bolts, cylinder studs, crankcase fittings, and a magnetic drain plug, ensuring all essential components are ready for assembly. The set includes a manufacturer’s Statement of Origin, providing authenticity and traceability for your rebuild project.
Designed for durability and ease of installation, this crankcase set is recommended to be used in conjunction with the #12-8002 Oil Pump Assembly to ensure seamless compatibility.
The product is made in the USA, reflecting high manufacturing standards and quality control. This kit is compatible with various Harley Davidson FL models from 1970 through 1979, making it a perfect choice for restorers and mechanics aiming for original performance and appearance. Whether you're building a vintage Harley or restoring a classic engine, the S&S Cycle Crankcase Set provides a reliable foundation for your project and ensures the longevity of your engine.
Accessory Items: 16-1839 - Jims Crank Assembly Removal Tool, 16-0135 - Crankcase Main Bearing Lap Tool, 16-0966 - Hand Spot Tool.

Features:

  • Includes Timken left side bearing and race assembly for precise fit
  • Pre-assembled components line-honed for ready-to-assemble performance
  • Stock bore design accepts flywheels up to 8-1/2 inches in diameter
  • Nickel-plated case bolts and cylinder studs included for corrosion resistance
  • Supplied with a manufacturer’s Statement of Origin for authenticity

Fitment:
Harley Davidson FL 1970
Harley Davidson FL 1971
Harley Davidson FL 1972
Harley Davidson FL 1973
Harley Davidson FL 1974
Harley Davidson FL 1975
Harley Davidson FL 1976
Harley Davidson FL 1977
Harley Davidson FL 1978
Harley Davidson FL 1979
Harley Davidson FL 1980
Harley Davidson FL 1981
Harley Davidson FL 1982
Harley Davidson FL 1983
Harley Davidson FL 1984
Harley Davidson FLT 1979
Harley Davidson FLT 1980
Harley Davidson FLT 1981
Harley Davidson FLT 1982
Harley Davidson FLT 1983
Harley Davidson FLT 1984
Harley Davidson FX 1971
Harley Davidson FX 1972
Harley Davidson FX 1973
Harley Davidson FX 1974
Harley Davidson FX 1975
Harley Davidson FX 1976
Harley Davidson FX 1977
Harley Davidson FX 1978
Harley Davidson FX 1979
Harley Davidson FX 1980
Harley Davidson FX 1981
Harley Davidson FX 1982
Harley Davidson FX 1983
Harley Davidson FX 1984
Harley Davidson FXR 1982
Harley Davidson FXR 1983
Harley Davidson FXR 1984

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