SCREW 5/16 UNC x 18 x 3-7/8 – ALLEN* By View cart “PISTON 8.5:1 – c/w RINGS CIRCLIPS PINS – JP PISTONS – PRE-1956 MODEL G18 G80 CR*” has been added to your cart. $5.59 SCREW 5/16 UNC x 18 x 3-7/8 – ALLEN 1 in stock SCREW 5/16 UNC x 18 x 3-7/8 - ALLEN* quantity Add to cart SKU: 21-0678 Category: Uncategorized Related products BOLT – FLOAT CHAMBER BOLT* $7.45 Read more SET–VALVE SPRINGS – NORTON TWIN – HIGH PRFORMANCE MULTIRATE* $52.10 Read more SLEEVE – BRAKEROD SLEEVE* $11.10 Read more HORN 70mm DIAMETER WITH BRACKET* $15.80 Read more