General Motors L 6 250 / 4.1L 1966-90 Chevrolet | ||||||||
STD. BORE SIZE 3.875 / 98.4mm COMP. HEIGHT 1.66 PIN DIAMETER 0.9273 COMPRESSION RATIO(s) |
 SIZE AVAILABILITY | VIN CODE RING PACK 2-5/64 O.E. ASSY. NO. 3877610 | ||||||
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RECOMMENDED FINISHED BORE DIAMETERS PISTON MAJOR AXIS MUST BE MEASURED PERPENDICULAR TO THE PIN CENTERLINE AT 70 DEGREES FARENHEIT 3.710" DOWN FROM THE PISTON HEAD
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