KB Hypereutectic Piston - 4.040 Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 2.00 cc - Ford Cleveland/Modified (Set of 8) Memory Recall Tach Many spring manufacturers skip this

Many spring manufacturers skip this step

1406Since 1938

Gentle On Rotors

1966-1971 Mercury Cyclone

Fuel Tank Vent Valve

KB Hypereutectic Piston - 4.040 Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 2.00 cc - Ford Cleveland/Modified (Set of 8) Memory Recall Tach Many spring manufacturers skip thisProduct Description: Piston KB Series Hypereutectic 4. 040 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 2. 00 cc Ford Cleveland Modified 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