Kb Pistons Cast 8.9:1 Standard Bore Piston - Harley Sportster EVO XL 74ci
About Kb Pistons
KB Performance Pistons builds hypereutectic and forged pistons for American V-twin engines, and is a long-standing choice for big-bore and stock-replacement rebuilds where budget and durability both matter.
Restore your Harley Sportster EVO XL 74ci engine with a precision-engineered cast piston from KB Pistons. This standard bore piston maintains an 8.9:1 compression ratio, making it an excellent choice for direct replacement or mild performance upgrades.
Why riders pick this
- Maintains 8.9:1 compression ratio
- Durable cast construction for longevity
- Standard bore for direct replacement
- Fits EVO XL 74ci Sportster engines
This KB Pistons cast piston is specifically designed for EVO XL 74 cubic inch engines, offering a reliable solution for rebuilding your V-twin. With an 8.9:1 compression ratio and standard bore sizing, it provides a solid foundation for optimal engine performance without requiring cylinder modifications.
Reliable Performance for EVO XL Engines
- Durable cast construction ensures lasting engine reliability
- Provides an 8.9:1 compression ratio for balanced performance
- Standard bore sizing for direct replacement in unworn cylinders
- Optimized for EVO XL 74 cubic inch V-twin engines
Maintain Factory Specifications
When it's time for a top-end refresh or a full engine overhaul, this standard bore piston from KB Pistons helps you maintain the factory specifications of your EVO XL 74ci engine. It's crucial to verify your cylinder bore size to ensure a perfect fit. This piston is an essential component for achieving consistent and dependable power delivery in your Harley Sportster.
Specifications
- Brand: KB Pistons
- Manufacturer Part #: KB295.STD
- UPC: 800745064172
- Compression Ratio: 8.9:1
- Engine: EVO XL 74ci
- Length: 9.5 in
- Width: 4.8 in
- Height: 4.5 in
- Weight: 2.6 lbs
- Country of Origin: Mexico
Common questions
What engine does this piston fit?
This piston is designed for EVO XL 74 cubic inch V-twin engines.
Is this a standard bore or oversized piston?
This is a standard bore (STD) piston. Always confirm your engine's bore size before ordering to ensure correct fitment.
Do I need new piston rings with this?
Piston rings are typically sold separately from the piston. You will need to source the correct ring set for your application.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Kb Pistons |
| TYPE | Piston kits & Components |
| SKU | 824-01205 |
| WEIGHT | 2.6 lb |
| 8.9 | 1 Compression |
