JIMS 959 Timken Case Bearing Conversion Tool Kit for Harley-Davidson Twin Cam Engines, 2003 and Newer

JIMS 959 Timken Case Bearing Conversion Tool Kit for Harley-Davidson Twin Cam Engines, 2003 and Newer

• The JIMS 959 Timken Case Bearing Conversion Tool Kit is designed to accurately convert the left-side crankshaft roller bearing on Harley-Davidson Twin Cam engines to a more durable Timken bearing. Ideal for high-performance engines with increased bore size and stroke, this professional-grade kit utilizes a precision-machined chrome-moly bearing insert to provide superior strength over the original aluminum case material. Engineered with tight TIR tolerances, the JIMS 959 ensures precise alignment and dependable installation for long-lasting engine performance.
• Features:
  • Designed for Harley-Davidson Twin Cam engines, 2003 and newer.
  • Converts the factory left-side crankshaft roller bearing (H-D No. 24604-00D) to a Timken bearing (H-D No. 9028).
  • Recommended for engines with increased bore size, stroke, and higher torque output.
  • Precision-machined chrome-moly bearing insert provides greater strength than the factory aluminum case material.
  • Manufactured to controlled TIR tolerances for accurate bearing alignment and installation.
  • Professional-grade installation system designed for reliable, repeatable bearing conversions.
  • Includes all major tooling required to perform the conversion.
  • Made in the USA.
• Includes:
  • (1) Bearing Insert
  • (1) Press Plate
  • (1) Bottom Locator Plate
  • (1) Big Twin Press Installer Plug
  • Drill Bits
  • Drill Stop Collars
  • (4) #10-24 x 1-1/2 Inch Socket Head Cap Screws
  • (1) Roll Tap
  • (1) Base Installer
  • (1) Tap Guide
  • (6) Flat Torx Screws
  • (1) 3/8 Inch-16 x 2-1/2 Inch Socket Head Cap Screw
  • (1) Loctite
  • (1) Tap Magic
  • (2) Instruction Sheets
  • (1) Protective Storage Case
• Specifications:
  • Manufacturer: JIMS
  • Part Number: 959
  • MPN: 959
  • Product Type: Timken Case Bearing Conversion Tool Kit
  • Application: Harley-Davidson Twin Cam Engines
  • Compatible Model Years: 2003 and Newer
  • Converts Bearing: H-D No. 24604-00D
  • Replacement Bearing: H-D No. 9028 Timken Bearing
  • Bearing Insert Material: Chrome-Moly Steel
  • Kit Contents: 31 Pieces
  • Country of Origin: USA
• Compatible Vehicle Applications:
  • Harley-Davidson Twin Cam engines, 2003 and newer.
  • Recommended for performance engines with increased bore size and stroke.
• The JIMS 959 can also be referred to as a Timken bearing conversion tool, Harley crankshaft bearing conversion kit, Twin Cam bearing installation tool, Timken case conversion kit, Harley engine case bearing tool, crankcase bearing conversion tool, and JIMS Timken installation kit.

JIMS is a leading manufacturer of precision-engineered specialty tools and performance components for Harley-Davidson motorcycles. Designed and manufactured in the USA, JIMS products are trusted by professional motorcycle technicians and performance engine builders for their exceptional quality, accuracy, and durability.

Q: What is the JIMS 959 used for?
A: The JIMS 959 is used to convert the factory left-side crankshaft roller bearing on Harley-Davidson Twin Cam engines to a stronger Timken bearing.

Q: Which Harley-Davidson engines is this tool compatible with?
A: It is designed for Harley-Davidson Twin Cam engines manufactured in 2003 and newer.

Q: Why perform a Timken bearing conversion?
A: JIMS recommends the conversion for high-performance engines with increased bore size or stroke because the Timken bearing provides greater durability for higher torque applications.

Q: What does the kit include?
A: The 31-piece kit includes the bearing insert, installation plates, drill bits, drill stop collars, tap, installers, fasteners, consumables, instruction sheets, and a protective storage case needed to perform the conversion.