Pair of OEM Harley-Davidson Twin Cam 88 black cylinder heads with valves and springs. Supplied casting numbers are 16723-99 and 16725-99. Threads appear good with very minimal wear noted. Review photos for exact condition and everything included.
Part Number: 16723-99 front / 16725-99 rear castings
Condition: Used – Very Good
USED PARTS DISCLAIMER: This is a used motorcycle part and may show normal signs of age, installation, removal, storage, and previous use, including scratches, scuffs, discoloration, surface corrosion, or other cosmetic wear. Any known damage or defects will be noted when known. Photos are considered part of the product description, so please review them carefully.
FITMENT NOTES: 16723-99 and 16725-99 are widely identified as front/rear Twin Cam 88 cylinder-head castings used across Touring, Dyna, and Softail applications. Published fitment varies by revision and source, so verify casting/assembly numbers and engine application before claiming every 1999-2006 model.
FITMENT: Buyer is responsible for verifying fitment before purchasing. Fitment information is provided as a reference based on available part numbers, markings, dimensions, and published application data. Compare the part number, tooth count, width, mounting points, connectors, measurements, and photos with the part currently on your motorcycle.
QUESTIONS? Send us a message before purchasing if you need additional measurements, photos, condition details, or clarification on what is included.
SHIPPING: Orders are typically processed and shipped within 1–2 business days after payment. Tracking is provided once the order ships. Parts are packed according to size, weight, and type. Multiple items may be combined when practical. Large, heavy, or oversized parts may require additional handling.