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KB Hypereutectic Pistons 69903HCKTM.030
1 Set 9903HC.030/1 Set 4000AM8.030; Pistons & Rings,Bore:4.000"+.030" Dome w/2 reliefs,Top Ring: 5/64", 2nd Ring: 5/64, Oil Ring: 3/16", Comp Ratios:14.9 w/58cc, 14.0 w/62cc, 13.5 w/64cc, 11.3 w/76cc, Gram weight 581/107, Top Land.254". Valve Depth .250", Relief Dia. 2.140"
KB Hypereutectic Pistons 69903HCKTM.040
1 Set 9903HC.040/1 Set 4000AM8.040; Pistons & Rings,Bore:4.000"+.040" Dome w/2 reliefs,Top Ring: 5/64", 2nd Ring: 5/64, Oil Ring: 3/16", Comp Ratios:14.9 w/58cc, 14.0 w/62cc, 13.5 w/64cc, 11.3 w/76cc, Gram weight 581/107, Top Land.254". Valve Depth .250", Relief Dia. 2.140"
KB Hypereutectic Pistons 69903HCKTM.060
1 Set 9903HC.060/1 Set 4000AM8.060; Pistons & Rings,Bore:4.000"+.060" Dome w/2 reliefs,Top Ring: 5/64", 2nd Ring: 5/64, Oil Ring: 3/16", Comp Ratios:14.9 w/58cc, 14.0 w/62cc, 13.5 w/64cc, 11.3 w/76cc, Gram weight 581/107, Top Land.254". Valve Depth .250", Relief Dia. 2.140"
KB Hypereutectic Pistons KB304KTM.030
KB Hyper Piston & Ring Kit - Pontiac 428, 6.625" Rod, Flat Top +6cc 2V
KB Hypereutectic Pistons 69903HCKTM.STD
1 Set 9903HC.STD/1 Set 4000AM8.STD; Pistons & Rings,Bore:4.000" STD Dome w/2 reliefs,Top Ring: 5/64", 2nd Ring: 5/64, Oil Ring: 3/16", Comp Ratios:14.9 w/58cc, 14.0 w/62cc, 13.5 w/64cc, 11.3 w/76cc, Gram weight 581/107, Top Land.254". Valve Depth .250", Relief Dia. 2.140"
