MSD's DynaForce Starter features all new components beginning with a three horsepower motor, driving a reduced 4.4:1 gear set for strong torque to the ring gear on stock and high-compression engines. The compact housing clears most headers and oil pans, and the billet mount can be clocked to different positions for tight header clearance. This version wears a black powder coat finish.
Specifications:
- Engine Fitment: Ford Small Block 289-351 Windsor
- Bell Housing Fitment: 4.084 in. I.D. Registry Hole
- Ring Gear Depth: 3/4 in. (fits 157 and 164 tooth flywheels)
- Finish: Black powder coat
- Product Type: Starter Motor
- Part Number: 50903
Also available in red as PN 5090.
FAQ
What engines does the MSD 50903 starter fit?
It's built for Ford small block 289-351 Windsor engines with bell housing or block plates using a 4.084 inch I.D. registry hole.
What flywheels does this starter work with?
The 3/4 inch ring gear depth works with both 157 and 164 tooth flywheels.
What color is this starter?
It wears a black powder coat finish; the same starter is also available in red as PN 5090.
Will this starter clear my headers?
The compact housing clears most headers and oil pans, and the billet mount can be clocked to different positions to help in tight applications.
