KPMI Valve Seat - Intake 1.752"x 1.417 X 0.354" — Harley-Davidson Road King Special, Tri Glide Ultra Classic, Electra Glide Ultra Limited (2017-2024)
KPMI intake valve seat in 1.752" x 1.417" x 0.354" dimensions, made from Kibblewhite's proprietary material engineered to resist microwelding and seat recession. Compatible with leaded, unleaded, methanol, and ethanol fuel blends for street and alternative-fuel engines.
Features
- Kibblewhite proprietary seat material
- Resists microwelding and valve face recession
- Compatible with leaded, unleaded, methanol, and ethanol blends
- Generous leading-edge radius for easier installation
- Excellent thermal characteristics
Specifications
- Brand: KPMI
- Manufacturer Part #: 10-HC44.50S
- Seat Size: 1.752" x 1.417" x 0.354"
- Weight: 0.25 lbs
Frequently Asked Questions
What fuels is this seat compatible with?
Leaded, unleaded, methanol, and ethanol fuel blends — suitable for street and alternative-fuel engines.
What problem does this seat solve?
The proprietary material resists microwelding and seat recession that causes valve face erosion and compression loss over time.
Does the radius edge help installation?
Yes — the generous leading-edge radius eases seating during machine work and reduces the risk of chipping the seat during install.
What are the seat dimensions?
1.752" x 1.417" x 0.354". Verify these match your cylinder head pocket before ordering.
| BRAND | KPMI |
| TYPE | Exhaust |
| SKU | 191-57103 |
| WEIGHT | 0.25 lb |