Upgrade your Harley Davidson 1340 engine with this complete set of Hastings Piston Rings .040 Oversize. Engineered for optimal performance and durability, this kit provides a precise fit for a range of Harley Davidson models from 1978-1999, ensuring your engine runs efficiently with improved power transfer and oil control.
Description
Experience peak engine performance with Hastings Piston Rings, specifically designed for Harley Davidson 1340 engines. This comprehensive .040 oversize piston ring set is crucial for restoring lost compression and maintaining proper oil economy in your motorcycle. The top compression rings feature a barrel face design, optimizing heat transfer between the piston and cylinder wall while effectively controlling combustion chamber gases. This allows the piston to efficiently transfer the energy of expanding combustion gases to the crankshaft, enhancing overall engine output.
The second compression rings utilize a reverse torsional taper face, promoting superior side sealing to prevent oil from being forced under and behind the ring. This innovative design significantly improves oil economy and reduces consumption. The reverse twist ring, combined with a taper-machined face, creates a scraping edge that ensures better oil control. For the oil control rings, a three-piece Flex Vent design is employed. This construction allows for rails with a small cross-sectional area, offering better conformability to the bore and providing uniform pressure through four steel rails and two expanders for positive oil control. Proudly Made in the USA, Hastings Piston Rings deliver the quality and reliability motorcycle enthusiasts demand for their engine rebuilds.
Features & Highlights
- Optimized Combustion Control: Barrel Face top compression rings efficiently transfer heat and control combustion gases, maximizing energy transfer to the crankshaft for improved power.
- Superior Oil Economy: Reverse Torsional Taper Face second compression rings prevent oil bypass, reducing oil consumption and maintaining engine cleanliness.
- Enhanced Bore Conformity: Three-piece Flex Vent oil control rings feature a small cross-sectional area for rails, ensuring better conformability to the cylinder bore and consistent oil scraping.
- Positive Oil Management: Uniform pressure from four steel rails and two expanders in the oil control rings guarantees effective oil control, critical for engine longevity.
- Complete Engine Set: Includes all necessary top compression, second compression, and oil control rings for two pistons, providing a comprehensive solution for your rebuild.
- Made in the USA: Manufactured with high-quality standards in the United States, ensuring reliability and performance for your motorcycle.
Technical Specifications
- Engine Displacement: 1340cc
- Oversize: .040″
- Top Compression Ring Type: Barrel Face
- Second Compression Ring Type: Reverse Torsional Taper Face
- Oil Control Ring Type: Three Piece Flex Vent
- Quantity: Set for 2 Pistons
- Country of Origin: USA
- Vehicle Fitment: Harley Davidson Electra Glide Classic FLHTC 1340, Softail Custom FXSTC 1340 (1978-1999)
- EAN: 0075538114178
Important to Know
- Special attention is required for the top ring end gap, especially with KB pistons. Always refer to the instructions furnished with your piston for correct ring installation and end gap specifications.
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