This is a USED set of SBC pistons, # 1105396. They are for a 4.140 bore SBC engine. These have a. 927 pin dia. They have a compression height of about 1.25".
SBC SB2 OLIVER 6.200 RODS CHEVY RACETEK PISTONS 4.130 bore 3.875 Stroke 12.5:1
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