Manley Performance 46997-4 Piston Ring Set for Subaru Impreza 99.75mm Bore

Manley Performance offers a comprehensive range of high-quality piston rings, meticulously engineered to provide a reliable and durable seal. Manley offers Premium Steel Top Rings, Ductile Iron Top Rings with Plasma-Moly Inlay, Napier-Style Second Rings, Total Seal® Gapless® Top Ring Packages, and File Fit Options that cover a wide range of bore sizes and engine applications, ensuring compatibility and optimal performance across various engine builds. Manley Piston Ring, RING-99.75mm 1.2mm,1.2mm,2.0mm.

• Conventional sets feature high performance ductile iron (with plasma moly in-lay) top rings, reverse twist cast iron taper face or Napier style second rings and 3 piece oil rings
• Manley also offers Total Seal® famed Gapless® top ring packages for many of our piston applications
• Premium Steel top ring sets are ideal for high horsepower and forced induction/nitrous applications
• All Premium Steel ring sets and Gapless® top ring sets utilize Napier style second rings standard.
• Manley stocks conventional style piston ring sets and Premium Steel top ring versions

The Manley Performance 46997-4 piston ring set is designed to deliver reliable sealing and optimal engine performance for Subaru Impreza models from 2004 to 2012. Engineered with precision, this set includes high-quality rings featuring 1.2mm top and second rings along with 2.0mm oil rings, suitable for high horsepower applications and forced induction setups. Constructed using premium materials, these rings ensure durability and consistent performance under demanding conditions.
Conventional sets feature ductile iron top rings with plasma moly inlay for enhanced wear resistance and reduced friction, while the Napier-style second rings improve oil control and sealing efficiency. For enthusiasts seeking maximum performance, Manley also offers Total Seal® Gapless® top ring packages, renowned for their ability to minimize blow-by and maximize compression. All Premium Steel top ring sets incorporate Napier-style second rings as standard, providing a robust sealing solution for high-performance engines.
This piston ring set is compatible with a range of Subaru Impreza models, including 2004 through 2012 years, ensuring a proper fit for your rebuild or upgrade project. Whether you're restoring a stock engine or building a high-powered turbocharged setup, these rings are engineered to meet demanding standards and provide long-lasting durability. Manley's commitment to quality and performance makes this set an excellent choice for professional engine builders and automotive enthusiasts alike.

Features:

• High-performance ductile iron top rings with plasma moly inlay for wear resistance

• Napier-style second rings for improved oil control and sealing

• Includes 1.2mm top and second rings, 2.0mm oil rings for versatile applications

• Compatible with Subaru Impreza models from 2004 to 2012

• Designed for high horsepower and forced induction applications

• Total Seal® Gapless® top ring options available for maximum sealing efficiency

• Premium Steel top rings ideal for demanding engine builds

• Standard Napier-style second rings across all premium sets

Fitment:
2004 Subaru Impreza WRX STI
2005 Subaru Impreza WRX STI
2006 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2008 Subaru Impreza WRX STI
2009 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI Special Edition
2011 Subaru Impreza WRX STI
2011 Subaru Impreza WRX STI Limited
2012 Subaru Impreza WRX STI
2012 Subaru Impreza WRX STI Limited

Air Freight Prohibited: false
Not Carb Approved: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1