KPMI Basewasher 20-20438 for Harley-Davidson Shovelhead 74 1966-1977
$61.00
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KPMI Basewasher 20-20438 for Harley-Davidson Shovelhead 74 1966-1977
$61.00
KPMI heat-treated steel basewashers provide precise control over lateral valve spring movement while establishing the proper installed valve spring height. Engineered with finite element analysis (FEA) design software, each washer delivers maximum mechanical strength and reliability under demanding valvetrain conditions.
These intake and exhaust basewashers feature close-tolerance inner diameters for proper valve guide fitment and specialized shoulder diameters to seat springs accurately. Smooth radius transitions in every corner prevent sharp edges, ensuring reliable performance for 1966-1977 Harley-Davidson 74" Shovelhead engines.
Key Features
| Brand | KPMI |
| Manufacturer Part Number | 20-20438 |
| Material | Heat-Treated Steel |
| Type | Intake / Exhaust |
| Quantity | Package of 4 |
| Unique Identifier No. | FR327789_01GAUS |
| Product Type | Valve Spring Basewasher |
| Weight | 0.1 kg |
Highlights
- Engineered using FEA design software to maximize mechanical strength
- Precision inner diameter allows proper clearance on valve guides
- Shoulder diameters designed for accurate spring seating with radius corners to prevent sharp edges
- Durable heat-treated steel construction
Compatibility
Compatible with 1966-1977 Harley-Davidson Shovelhead 74" engines (Intake and Exhaust).
Frequently asked questions
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