Drag Specialties Replacement Piston +0.005" 9.2:1
Drag Specialties Replacement Piston +0.005" 9.2:1
About this product
About this product
Upgrade or refresh your motorcycle's engine with the Drag Specialties +0.005" replacement piston kit. Engineered for durability and performance, this cast aluminum alloy piston delivers reliable operation, making it an ideal choice for restoring your engine's power and efficiency.
Description
Experience renewed engine performance with the Drag Specialties replacement piston kit, meticulously crafted from high-quality cast aluminum alloy. Designed to meet or exceed OEM standards, this piston ensures exceptional durability and consistent power delivery. With a precise 3.755" bore and a +0.005" oversize, it's perfectly suited for specific engine rebuilds, providing a robust 9.2:1 compression ratio for optimal combustion efficiency. The advanced manufacturing process includes a specialized coating on certain fitments, significantly extending piston life, minimizing friction, and promoting cooler engine operation—critical for demanding riding conditions. This economical yet high-performance piston kit is an excellent solution for riders seeking an OEM replacement or an upgrade for their motorcycle. Each comprehensive kit comes complete with two durable pistons, wrist pins, and clips, ensuring you have the essential components for a smooth installation. While the kit accepts both OEM and Hastings rings, these are sold separately, allowing you to choose the best fit for your specific needs. Trust Drag Specialties for reliable, long-lasting engine components.
Features & Highlights
- Premium OEM Quality Construction: Manufactured from durable cast aluminum alloy, ensuring reliability and performance that meets or exceeds original equipment specifications.
- Enhanced Piston Longevity: Select pistons feature a specialized coating designed to extend operational life, significantly reduce friction, and enable cooler engine running for sustained peak performance.
- Optimized Performance and Value: An economical solution that doesn't compromise on power, delivering excellent performance ideal for OEM replacements or engine overhauls.
- Complete Kit for Convenience: Each package includes two precision-engineered pistons, along with essential wrist pins and retaining clips, simplifying your engine rebuild process.
- Versatile Ring Compatibility: Designed to seamlessly accept both OEM and Hastings piston rings, offering flexibility for your preferred ring choice (rings sold separately).
Technical Specifications
- Product Name: Piston
- Piston Material: Aluminum
- Bore Size: 3.755"
- Bore Oversize: +0.005"
- Stroke Length: 4-3/8"
- Compression Ratio: 9.2:1
- Units: Kit (includes two pistons)
- Vendor Part Number: 21988-07+.005
Important to Know
- Piston rings are not included and must be ordered separately (compatible with OEM or Hastings rings).
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Specifications
21988-07+.005
Piston
3,755"
9.2:1
Aluminum
4-3/8"
121 mm
118 mm
216 mm
3.755"
+0.005"
Kit
Reviews


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