Twin Power 99-17 Twin Cam Big Twin Rocker Box Gasket Kit — Fits Harley-Davidson

SKU: TWP043193

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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 TwinPower

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

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Twin Power 1999-2017 Harley-Davidson Twin Cam Big Twin Rocker Box Gasket Kit

Maintain the integrity of your Harley-Davidson Twin Cam engine with this high-quality Rocker Box Gasket Kit from Twin Power. Designed for 1999-2017 Big Twin models, this kit provides the essential gaskets needed to ensure a proper seal and prevent oil leaks from the rocker boxes.

Reliable Sealing for Your Twin Cam

Rocker box gaskets are critical for containing oil within the upper part of the engine and preventing external leaks. Over time, these gaskets can degrade, leading to messy oil seepage and potential performance issues. This Twin Power kit offers a direct replacement solution, utilizing durable materials engineered to withstand engine heat and pressure.

  • Comprehensive Kit: Includes all necessary gaskets for a complete rocker box seal on your Twin Cam engine.
  • Wide Fitment: Specifically designed for a vast range of Harley-Davidson Twin Cam Big Twin models from 1999 to 2017, including popular lines like Road King, Electra Glide, Softail, and Dyna.
  • Durable Construction: Made from premium materials to ensure longevity and resistance to oil and heat.
  • OEM Quality: Engineered to meet or exceed original equipment specifications for a perfect fit and reliable performance.
  • Prevent Leaks: Effectively seals rocker boxes to keep oil where it belongs and maintain a clean engine.

Keep your Twin Cam engine performing at its best and looking clean with this essential rocker box gasket kit. Trust Twin Power for quality replacement parts.

Upgrade your engine's reliability with this Twin Power Rocker Box Gasket Kit from GGCRACING.

…and 16 additional fitments. Contact us to confirm yours.

About TwinPower

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

Watch in action

Twin Power 1999-2017 Harley-Davidson Twin Cam Big Twin Rocker Box Gasket Kit

Maintain the integrity of your Harley-Davidson Twin Cam engine with this high-quality Rocker Box Gasket Kit from Twin Power. Designed for 1999-2017 Big Twin models, this kit provides the essential gaskets needed to ensure a proper seal and prevent oil leaks from the rocker boxes.

Reliable Sealing for Your Twin Cam

Rocker box gaskets are critical for containing oil within the upper part of the engine and preventing external leaks. Over time, these gaskets can degrade, leading to messy oil seepage and potential performance issues. This Twin Power kit offers a direct replacement solution, utilizing durable materials engineered to withstand engine heat and pressure.

  • Comprehensive Kit: Includes all necessary gaskets for a complete rocker box seal on your Twin Cam engine.
  • Wide Fitment: Specifically designed for a vast range of Harley-Davidson Twin Cam Big Twin models from 1999 to 2017, including popular lines like Road King, Electra Glide, Softail, and Dyna.
  • Durable Construction: Made from premium materials to ensure longevity and resistance to oil and heat.
  • OEM Quality: Engineered to meet or exceed original equipment specifications for a perfect fit and reliable performance.
  • Prevent Leaks: Effectively seals rocker boxes to keep oil where it belongs and maintain a clean engine.

Keep your Twin Cam engine performing at its best and looking clean with this essential rocker box gasket kit. Trust Twin Power for quality replacement parts.

Upgrade your engine's reliability with this Twin Power Rocker Box Gasket Kit from GGCRACING.

…and 16 additional fitments. Contact us to confirm yours.

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