Using AUTOLITE IAD-6004-1E Distributor w/ 3-3/8"" O
4000 series (1957-64) (All 4-cyl
needle and seat valve
Quality Aftermarket AF1681R AF1682R Engine Gasket Set Fits John Deere Tractor
Piston Ring Set 4CYL 3-7/16" Bore Fits Case VA VAC 300 310B 400B Tractors G1116 carburetor Using AUTOLITE IAD-6004-1E Distributor w/Quality Aftermarket Piston Ring Set Fits Case VA, VAC, VAC 11, VAC 12, VAC 13, VAC 14, VAH, VAIW, VAO, VAS gas, 300, 310, 320, 400B, 420B, 430, 470, 480 Tractors Specifications 3 7 16"" bore, (3) 0. 093"" compression rings,(1) 0. 187 oil rings Measure old rings before ordering. On some engines discard 1 oil ring per cylinder. Do not order by tractor model only. Due to the many different piston manufacturers, there can be as many as 8 different ring