Sun Coast 5R-BIS Billet 300 Maraging Steel Input Shaft

SunCoast 5R-BIS Billet 300 Maraging Steel Input Shaft

If you’re pushing serious power through your Ford Powerstroke, the stock input shaft likely won't last. The SunCoast 5R-BIS Billet 300 Maraging Steel Input Shaft is the upgrade you want when reliability matters.

Designed for 1989–2010 Ford trucks running E40D, 4R100, or 5R110 transmissions, this shaft is built to handle lots of power, and a heavy right foot.

Why Upgrade?

• Strength that stock can’t match – made from billet 300 Maraging steel, known for its legendary toughness.
  
  
• Precision-ground for a perfect fit – drops right into your transmission without the guesswork.
  
  
• 30/31-spline design – beefed up to handle higher torque loads without twisting or snapping.
  
  
• Peace of mind – whether you’re running aggressive tunes or hauling heavy, this shaft input shaft is built to endure.

Quick Fitment Guide:

• Fits 1989–2010 Ford 7.3/6.0/6.4 Powerstroke applications
  
  
• Works with E40D, 4R100, and 5R110 transmissions

Bottom line: If your Powerstroke is more than just a grocery-getter, this SunCoast input shaft is a great upgrade to keep your transmission in one piece.