KB Hypereutectic Pistons 4.040 Bore Flat Top Piston Set — Fits Small Block Ford

SKU: BJDT_KB246.040
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About KB Hypereutectic Pistons KB Hypereutectic Pistons engineers high-quality automotive ...Read More

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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 KB Hypereutectic Pistons

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

High-Performance Pistons for Small Block Ford

Take your Small Block Ford engine to the next level with this set of KB Hypereutectic flat top pistons. Featuring a 4.040-inch bore, these pistons are designed to provide the perfect balance of strength, weight, and compression for your high-performance engine build.

Key Features and Benefits

  • Engine Fitment: Small Block Ford.
  • Bore Diameter: 4.040-inch.
  • Ring Grooves: 1/16 x 1/16 x 3/16 inch.
  • Volume: -6.50cc dish.
  • Construction: Durable hypereutectic alloy.
  • Quantity: 8-piece set.

These pistons are the ideal choice for builders looking to restore or upgrade their Small Block Ford engine. The 4.040-inch bore is perfect for engines that have been machined to accommodate a slightly larger bore size, ensuring a perfect seal and optimal cylinder pressure. The 1/16-inch ring grooves are a modern design choice that helps reduce friction and improve ring seal, leading to better power delivery and reduced blow-by. With a -6.50cc dish, these pistons offer a consistent compression ratio that is well-suited for street performance and mild racing applications. The hypereutectic material provides increased resistance to heat and detonation compared to standard cast pistons, giving you peace of mind during spirited driving. Upgrade your engine today with high-quality components designed for longevity and performance. Explore the full range of engine parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About KB Hypereutectic Pistons

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

High-Performance Pistons for Small Block Ford

Take your Small Block Ford engine to the next level with this set of KB Hypereutectic flat top pistons. Featuring a 4.040-inch bore, these pistons are designed to provide the perfect balance of strength, weight, and compression for your high-performance engine build.

Key Features and Benefits

  • Engine Fitment: Small Block Ford.
  • Bore Diameter: 4.040-inch.
  • Ring Grooves: 1/16 x 1/16 x 3/16 inch.
  • Volume: -6.50cc dish.
  • Construction: Durable hypereutectic alloy.
  • Quantity: 8-piece set.

These pistons are the ideal choice for builders looking to restore or upgrade their Small Block Ford engine. The 4.040-inch bore is perfect for engines that have been machined to accommodate a slightly larger bore size, ensuring a perfect seal and optimal cylinder pressure. The 1/16-inch ring grooves are a modern design choice that helps reduce friction and improve ring seal, leading to better power delivery and reduced blow-by. With a -6.50cc dish, these pistons offer a consistent compression ratio that is well-suited for street performance and mild racing applications. The hypereutectic material provides increased resistance to heat and detonation compared to standard cast pistons, giving you peace of mind during spirited driving. Upgrade your engine today with high-quality components designed for longevity and performance. Explore the full range of engine parts at GGCRACING.

Product Details

Product Description

About KB Hypereutectic Pistons

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

High-Performance Pistons for Small Block Ford

Take your Small Block Ford engine to the next level with this set of KB Hypereutectic flat top pistons. Featuring a 4.040-inch bore, these pistons are designed to provide the perfect balance of strength, weight, and compression for your high-performance engine build.

Key Features and Benefits

  • Engine Fitment: Small Block Ford.
  • Bore Diameter: 4.040-inch.
  • Ring Grooves: 1/16 x 1/16 x 3/16 inch.
  • Volume: -6.50cc dish.
  • Construction: Durable hypereutectic alloy.
  • Quantity: 8-piece set.

These pistons are the ideal choice for builders looking to restore or upgrade their Small Block Ford engine. The 4.040-inch bore is perfect for engines that have been machined to accommodate a slightly larger bore size, ensuring a perfect seal and optimal cylinder pressure. The 1/16-inch ring grooves are a modern design choice that helps reduce friction and improve ring seal, leading to better power delivery and reduced blow-by. With a -6.50cc dish, these pistons offer a consistent compression ratio that is well-suited for street performance and mild racing applications. The hypereutectic material provides increased resistance to heat and detonation compared to standard cast pistons, giving you peace of mind during spirited driving. Upgrade your engine today with high-quality components designed for longevity and performance. Explore the full range of engine parts at GGCRACING.

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