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KB Hypereutectic Pistons KB6198KTM.STD
1 Set KB198.STD/1 Set 4000BM8.STD; Pistons & Rings, 4.000" STD,F/T 6.5cc ASYM 4V,Top Ring:1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Comp Ratios: 11.0w/58cc,10.5/62cc,10.2w/64cc,9.0w/76cc,Gram weight 557/145, INT-Valve Depth/DIA .185-2.181", EX-Relief Depth/Dia .185-1.880"
KB Hypereutectic Pistons 69905HCKTM.020
1 Set 9905HC.020/1 Set 4000AM8.020; Pistons & Rings, Bore:4.000"+.020" Dome w/2 Valve Reliefs,Top Ring: 5/64", 2nd Ring: 5/64, Oil Ring: 3/16",Comp Ratios:13.9 w/58cc, 13.0 w/62cc, 12.7 w/64cc, 10.8 w/76cc, Gram wt. 585/107, Top Land.254". Valve Depth .250",Relief Dia. 2.140"
