KB Performance Pistons 9911HC.030 Claimer Series Flat-Top Piston Set for Small Block Chevy

Upgrade a Small Block Chevy engine with the KB Performance Pistons Claimer Series flat-top piston set. Part number 9911HC.030 features hypereutectic construction and is designed for a 4.155-inch bore. The flat-top profile and minus 5.00 cc volume provide key piston specifications for engine builders planning compression and chamber combinations.

This set includes eight pistons with a 1.433-inch compression height and 5/64 x 5/64 x 3/16-inch ring grooves. These details support proper component selection when matching pistons with the engine’s connecting rods, cylinder bore, and piston ring package.

Designed for Small Block Chevy applications, the Claimer Series piston set offers a focused combination of hypereutectic construction, flat-top geometry, and defined ring groove sizing. Verify engine specifications and assembly requirements before installation to ensure the piston dimensions and ring groove configuration are appropriate for the intended build.

Features:

• Brand: KB Performance Pistons
• Part Number: 9911HC.030
• Series: Claimer Series
• Construction: Hypereutectic
• Piston Profile: Flat top
• Application: Small Block Chevy
• Bore: 4.155 inches
• Compression Height: 1.433 inches
• Piston Volume: Minus 5.00 cc
• Ring Grooves: 5/64 x 5/64 x 3/16 inches
• Quantity: Set of 8