1974-78 STD 84.0 MM PISTON SET

NEW - 1974-78 USA,
STANDARD 84.0 MM PISTON SET WITH SMALL CUT OUTS.
THESE WILL BEND VALVES IF THE CAMSHAFT TIMING IS INCORRECT!
SAME AS 5880989. SINGLE PISTON USE 4277107. PISTONS WITH BIG CUT OUTS USE 5880607. 4.0 MM DOME USE 840100.
REPLACES 840100, 4277107, 5880607, 5880986, 5880989, & 5881422.
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