Click to expand Tap to zoom Jim's, Oil Metering Screw. Pinion Shaft by Jim's Save £-57.65 £57.65 | / SKU MCS978262 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart DescriptionJIMS, OIL METERING SCREW. PINION SHAFTDetailsUsed to control oil flow to connecting rod rollers. Hole size .087". Replacement for JIMS pinion shaft MCS 507281 L81-86 B.T. (Repl. 24006-83/83) and JIMS pinion shaft MCS 507480 87-89 B.T. (Repl. 24006-87).