KB Hypereutectic BBM Flat Top Piston Set 4.380 Bore -5cc 4910903 Liquid Filled gauges provide for

Liquid Filled gauges provide for additional shock resistance

Hypercos coil-over springs

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Ideal for Clone and Honda engines

KB Hypereutectic BBM Flat Top Piston Set 4.380 Bore -5cc 4910903 Liquid Filled gauges provide forProduct Description: Piston KB Series Hypereutectic 4. 380 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 5. 00 cc Mopar RB Series Set of 8 Created from a high silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still being strong enough to withstand high compression and high temperatures. Each piston is engineered with race ready features like high upper compression ring locations, gas