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CHEVY LT1
Valves Valvetrain Components Pushrods Rods Pistons Crankshafts / Rotating Assemblies

PLATINUM SERIES LIGHTWEIGHT PISTONS - learn more about pistons
DIRECT INJECTED LT1 FOR STOCK 3.622" AND 4.000" STROKES
Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. We utilize a proven offset wrist pin design, a 1.2, 1.2, 3mm Total Seal ring package and moly coated skirts for ultimate performance. Roundwire locks and pressure balance grooves are included with every set at no additional charge. Note: Compression ratios are calculated at 0.00" deck clearance, a 9.240" deck height, 60cc combustion chamber, and a .051" thick compressed head gasket.

Premium Chrome Moly wrist pins are included with the Standard Series and 9310 Alloy wrist pins are included with the Extreme Duty Series.

Piston Ring Sets
Standard
Part No.
Extreme Duty
Part No.
Bore Size Over Size Rod
Length
Stroke Comp
Distance
Comp
Ratio
Piston Wt/Gms Ductile Iron
Top Rings
Premium Steel
Top Rings
  STOCK STROKE -2cc DOME
560065C-8 560065CE-8 4.065" STD 6.125" 3.622" 1.304" 11.7 TBA 46016-8 46016ST-8
560070C-8 560070CE-8 4.070" +.005" 6.125" 3.622" 1.304" 11.7 TBA 46017-8 46017ST-8
560075C-8 560075CE-8 4.075" +.010" 6.125" 3.622" 1.304" 11.8 TBA 46017-8 46017ST-8
560080C-8 560080CE-8 4.080" +.015" 6.125" 3.622" 1.304" 11.8 TBA 46018-8 46018ST-8
  STOCK STROKE -12cc DISH
560165C-8 560165CE-8 4.065" STD 6.125" 3.622" 1.304" 10.5 TBA 46016-8 46016ST-8
560170C-8 560170CE-8 4.070" +.005" 6.125" 3.622" 1.304" 10.5 TBA 46017-8 46017ST-8
560175C-8 560175CE-8 4.075" +.010" 6.125" 3.622" 1.304" 10.6 TBA 46017-8 46017ST-8
560180C-8 560180CE-8 4.080" +.015" 6.125" 3.622" 1.304" 10.6 TBA 46018-8 46018ST-8
  STROKER SERIES -10cc DISH
560265C-8 560265CE-8 4.065" STD 6.125" 4.000" 1.115" 11.7 TBA 46016-8 46016ST-8
560270C-8 560270CE-8 4.070" +.005" 6.125" 4.000" 1.115" 11.7 TBA 46017-8 46017ST-8
560275C-8 560275CE-8 4.075" +.010" 6.125" 4.000" 1.115" 11.8 TBA 46017-8 46017ST-8
560280C-8 560280CE-8 4.080" +.015" 6.125" 4.000" 1.115" 11.8 TBA 46018-8 46018ST-8
560300C-8 560300CE-8 4.125" +.060" 6.125" 4.000" 1.115" 12.0 TBA 46060-8 46060ST-8
560305C-8 560305CE-8 4.130" +.065" 6.125" 4.000" 1.115" 12.0 TBA 46061-8 46061ST-8
  STROKER SERIES -20cc DISH
560465C-8 560465CE-8 4.065" STD 6.125" 4.000" 1.115" 10.5 TBA 46016-8 46016ST-8
560470C-8 560470CE-8 4.070" +.005" 6.125" 4.000" 1.115" 10.5 TBA 46017-8 46017ST-8
560475C-8 560475CE-8 4.075" +.010" 6.125" 4.000" 1.115" 10.6 TBA 46017-8 46017ST-8
560480C-8 560480CE-8 4.080" +.015" 6.125" 4.000" 1.115" 10.6 TBA 46018-8 46018ST-8
560500C-8 560500CE-8 4.125" +.060" 6.125" 4.000" 1.115" 10.8 TBA 46060-8 46060ST-8
560505C-8 560505CE-8 4.130" +.065" 6.125" 4.000" 1.115" 10.8 TBA 46061-8 46061ST-8
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