Description
If you’re building a high-compression Small Block Ford engine, compression ratio is everything—and these flat-top pistons deliver the precision you need. The -6.5cc dish reduces displacement while the hypereutectic construction withstands the thermal stress of elevated boost and ignition timing. Whether you’re chasing street performance or strip-proven reliability, this KB piston set is engineered for engines that demand consistency and durability under extreme conditions.
- Piston type: Flat top
- Material: Hypereutectic
- Bore size: 4.030″
- Compression dish: -6.5cc
- Ring grooves: 1/16 x 1/16 x 3/16″
- Engine platform: Small Block Ford
- Quantity: Set of 8
- Manufacturer: KB Series






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