ACT XACT Prolite Flywheel — Fits 1986-1991 Mazda RX-7, 1987-1995 Mazda RX-7, 2004-2011 Mazda RX-8

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SKU: ACT600140
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT XACT Prolite Flywheel for Rotary Engine Performance

Unlock enhanced engine response and acceleration for your Mazda RX-7 or RX-8 with the ACT XACT Prolite Flywheel. This performance flywheel is engineered to reduce rotational mass, enabling your rotary engine to rev more freely and respond instantly to throttle inputs. While offering significant performance advantages, it may introduce mild to moderate gear rattle, a characteristic often found in performance-oriented setups.

Engineered for Durability and High-RPM Use

The ACT XACT Prolite Flywheel is constructed from a high-quality, heat-treated forging, providing exceptional strength and resilience. Its induction-hardened ring gears are designed for maximum service life, ensuring consistent performance even under demanding driving conditions. The integrated one-piece construction enhances reliability by eliminating potential failure points and promotes uniform, efficient heat transfer from the clutch disc. This robust design ensures smooth, dependable operation at high engine speeds.

Key Features:

  • Dramatically improved engine response and acceleration
  • Mild to moderate gear rattle
  • Heat-treated forging for superior strength and toughness
  • Induction-hardened ring gears for maximum longevity
  • One-piece construction for enhanced reliability and heat transfer
  • Recommended for race use
  • Forged, CNC machined, and dynamically computer balanced for high-RPM reliability

Vehicle Fitment:

This performance flywheel is designed to fit a range of Mazda rotary vehicles:

  • Mazda RX-7: (1986-1991), GXL 2+2 (1987), Turbo (1986-1991), Base (1993-1995), Touring (1993-1995), R1 (1993), R2 (1994-1995), 10th Anniversary (1988)
  • Mazda RX-8: Base (2004-2007), Shinka (2005), Sport (2008-2011), Touring (2008-2009), R3 (2009-2011), 40th Anniversary Edition (2008)

Upgrade your Mazda's performance with the precision and quality of ACT. Find this and other essential drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1986-1991 Mazda RX-7 Turbo
1987 Mazda RX-7 GXL 2+2
1988 Mazda RX-7 10th Anniversary
1993 Mazda RX-7 R1
1993-1995 Mazda RX-7 Base
1993-1995 Mazda RX-7 Touring
1994-1995 Mazda RX-7 R2
2004-2007 Mazda RX-8 Base
2005 Mazda RX-8 Shinka
2008 Mazda RX-8 40th Anniversary Edition
2008-2009 Mazda RX-8 Touring
2008-2011 Mazda RX-8 Sport
2009-2011 Mazda RX-8 R3

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT XACT Prolite Flywheel for Rotary Engine Performance

Unlock enhanced engine response and acceleration for your Mazda RX-7 or RX-8 with the ACT XACT Prolite Flywheel. This performance flywheel is engineered to reduce rotational mass, enabling your rotary engine to rev more freely and respond instantly to throttle inputs. While offering significant performance advantages, it may introduce mild to moderate gear rattle, a characteristic often found in performance-oriented setups.

Engineered for Durability and High-RPM Use

The ACT XACT Prolite Flywheel is constructed from a high-quality, heat-treated forging, providing exceptional strength and resilience. Its induction-hardened ring gears are designed for maximum service life, ensuring consistent performance even under demanding driving conditions. The integrated one-piece construction enhances reliability by eliminating potential failure points and promotes uniform, efficient heat transfer from the clutch disc. This robust design ensures smooth, dependable operation at high engine speeds.

Key Features:

  • Dramatically improved engine response and acceleration
  • Mild to moderate gear rattle
  • Heat-treated forging for superior strength and toughness
  • Induction-hardened ring gears for maximum longevity
  • One-piece construction for enhanced reliability and heat transfer
  • Recommended for race use
  • Forged, CNC machined, and dynamically computer balanced for high-RPM reliability

Vehicle Fitment:

This performance flywheel is designed to fit a range of Mazda rotary vehicles:

  • Mazda RX-7: (1986-1991), GXL 2+2 (1987), Turbo (1986-1991), Base (1993-1995), Touring (1993-1995), R1 (1993), R2 (1994-1995), 10th Anniversary (1988)
  • Mazda RX-8: Base (2004-2007), Shinka (2005), Sport (2008-2011), Touring (2008-2009), R3 (2009-2011), 40th Anniversary Edition (2008)

Upgrade your Mazda's performance with the precision and quality of ACT. Find this and other essential drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1986-1991 Mazda RX-7 Turbo
1987 Mazda RX-7 GXL 2+2
1988 Mazda RX-7 10th Anniversary
1993 Mazda RX-7 R1
1993-1995 Mazda RX-7 Base
1993-1995 Mazda RX-7 Touring
1994-1995 Mazda RX-7 R2
2004-2007 Mazda RX-8 Base
2005 Mazda RX-8 Shinka
2008 Mazda RX-8 40th Anniversary Edition
2008-2009 Mazda RX-8 Touring
2008-2011 Mazda RX-8 Sport
2009-2011 Mazda RX-8 R3

Product Details

Product Description

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT XACT Prolite Flywheel for Rotary Engine Performance

Unlock enhanced engine response and acceleration for your Mazda RX-7 or RX-8 with the ACT XACT Prolite Flywheel. This performance flywheel is engineered to reduce rotational mass, enabling your rotary engine to rev more freely and respond instantly to throttle inputs. While offering significant performance advantages, it may introduce mild to moderate gear rattle, a characteristic often found in performance-oriented setups.

Engineered for Durability and High-RPM Use

The ACT XACT Prolite Flywheel is constructed from a high-quality, heat-treated forging, providing exceptional strength and resilience. Its induction-hardened ring gears are designed for maximum service life, ensuring consistent performance even under demanding driving conditions. The integrated one-piece construction enhances reliability by eliminating potential failure points and promotes uniform, efficient heat transfer from the clutch disc. This robust design ensures smooth, dependable operation at high engine speeds.

Key Features:

  • Dramatically improved engine response and acceleration
  • Mild to moderate gear rattle
  • Heat-treated forging for superior strength and toughness
  • Induction-hardened ring gears for maximum longevity
  • One-piece construction for enhanced reliability and heat transfer
  • Recommended for race use
  • Forged, CNC machined, and dynamically computer balanced for high-RPM reliability

Vehicle Fitment:

This performance flywheel is designed to fit a range of Mazda rotary vehicles:

  • Mazda RX-7: (1986-1991), GXL 2+2 (1987), Turbo (1986-1991), Base (1993-1995), Touring (1993-1995), R1 (1993), R2 (1994-1995), 10th Anniversary (1988)
  • Mazda RX-8: Base (2004-2007), Shinka (2005), Sport (2008-2011), Touring (2008-2009), R3 (2009-2011), 40th Anniversary Edition (2008)

Upgrade your Mazda's performance with the precision and quality of ACT. Find this and other essential drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1986-1991 Mazda RX-7 Turbo
1987 Mazda RX-7 GXL 2+2
1988 Mazda RX-7 10th Anniversary
1993 Mazda RX-7 R1
1993-1995 Mazda RX-7 Base
1993-1995 Mazda RX-7 Touring
1994-1995 Mazda RX-7 R2
2004-2007 Mazda RX-8 Base
2005 Mazda RX-8 Shinka
2008 Mazda RX-8 40th Anniversary Edition
2008-2009 Mazda RX-8 Touring
2008-2011 Mazda RX-8 Sport
2009-2011 Mazda RX-8 R3

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