Triumph 5/16″-18 x 4-3/8″ Hex Head Crankcase Fixing Bolt PN# 14-0230

Upgrade or restore your classic Triumph motorcycle with this 5/16″-18 x 4-3/8″ Hex Head Crankcase Fixing Bolt (Part Number 14-0230). Engineered for precision and durability, this bolt ensures secure assembly and long-lasting performance for your engine’s crankcase. Key Features Exact Specification: 5/16-inch diameter with 18 threads per inch (UNC), and an overall length of 4-3/8 inches, matching original Triumph engineering standards. Durable Construction: Manufactured from robust steel for strength and resistance to wear, ensuring reliable performance in demanding engine environments. Hex Head Design: Allows for easy installation and removal using standard tools, simplifying maintenance and repairs. OEM Replacement: Direct replacement for Triumph part number 14-0230, making it ideal for authentic restorations and dependable repairs. Critical Application: Designed specifically for crankcase assembly, providing essential clamping force and alignment for engine integrity. Typical Applications Used as a crankcase fixing bolt on classic Triumph motorcycles, particularly in models requiring a 5/16″-18 UNC bolt of this length. Essential for engine rebuilds or restorations to maintain correct fitment and structural support. Specifications Part Number 14-0230 Diameter 5/16 inch Thread Type UNC (Unified National Coarse) Threads Per Inch 18 TPI Length 4-3/8 inch (111 mm) Head Type Hex head Application Crankcase fixing bolt (Triumph classic models) Choose this genuine Triumph crankcase bolt for reliable engine assembly and a factory-correct finish on your vintage motorcycle. The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.