Drag Specialties Replacement Piston for 3.750" Bore

Revitalize your motorcycle's engine with the Drag Specialties 3.750" bore piston kit, engineered for reliable, OEM-quality performance. This complete replacement piston kit offers an economical solution for engine maintenance or rebuilds, ensuring your ride runs smoothly with optimal power delivery.

Description

The Drag Specialties replacement piston kit is meticulously crafted from high-grade, OEM quality cast aluminum alloy, providing exceptional durability and performance for your engine. Designed with a precise 3.750" bore diameter and a 9.2:1 compression ratio, these pistons are an ideal choice for restoring your engine to its original specifications. Some pistons within this series feature an advanced coating that significantly extends their operational life, reduces internal friction, and promotes cooler engine running temperatures, contributing to overall engine health and efficiency. This kit delivers great performance in an economical package, making it a smart investment for any motorcycle enthusiast or professional mechanic looking for a high-quality motorcycle replacement piston.

Features & Highlights

• OEM-Quality Construction: Manufactured from robust cast aluminum alloy, these pistons meet or exceed original equipment standards for dependable, long-lasting performance, ideal for an engine rebuild.
• Enhanced Durability & Efficiency: Select pistons come with a specialized coating designed to reduce friction, extend piston lifespan, and facilitate cooler engine operation for improved reliability and a longer-lasting engine.
• Economical Performance Solution: Get excellent performance without breaking the bank, offering a cost-effective way to refresh your engine's internals with a reliable cast aluminum piston kit.
• Complete Kit for Convenience: Each package includes two pistons, wrist pins, and clips, providing the essential components for a comprehensive engine refresh.
• Precise Fitment: Engineered to a standard 3.750" bore and 4-3/8" stroke, ensuring accurate fit and optimal function within compatible engines, delivering consistent 9.2:1 compression.

Technical Specifications

• Product Name: Piston
• Brand: Drag Specialties
• Units: Kit (includes two pistons, wrist pins, and clips)
• Piston Material: Cast Aluminum
• Bore Size: 3.750"
• Bore Oversize: Standard
• Stroke Length: 4-3/8"
• Compression Ratio: 9.2:1
• Vendor Part Number: 21988-07
• MPN/SKU: 09110017

Important to Know

• Piston rings are not included and must be ordered separately. This kit accepts OEM or Hastings brand rings.