PLATINUM SERIES LIGHTWEIGHT PISTONS - learn more about pistons DIRECT INJECTED LT1/LT4 FOR 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. 9310 alloy pin (Extreme Duty Series) included: P/N 42542 2.300" x .210" wall (4.065"-4.080" bores)
and P/N 42528 2.500" x .210" wall (4.125"-4.130" bores)
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
LT1/LT4
560065C-8
560065CE-8
4.065"
STD
6.125"
3.622"
1.304"
11.7 / 10.8
498
46016-8
46016ST-8
560070C-8
560070CE-8
4.070"
+.005"
6.125"
3.622"
1.304"
11.7 / 10.8
500
46017-8
46017ST-8
560075C-8
560075CE-8
4.075"
+.010"
6.125"
3.622"
1.304"
11.8 / 10.9
502
46017-8
46017ST-8
560080C-8
560080CE-8
4.080"
+.015"
6.125"
3.622"
1.304"
11.8 / 10.9
504
46018-8
46018ST-8
STOCK STROKE -12cc DISH
560165C-8
560165CE-8
4.065"
STD
6.125"
3.622"
1.304"
10.5 / 9.7
469
46016-8
46016ST-8
560170C-8
560170CE-8
4.070"
+.005"
6.125"
3.622"
1.304"
10.5 / 9.7
471
46017-8
46017ST-8
560175C-8
560175CE-8
4.075"
+.010"
6.125"
3.622"
1.304"
10.6 / 9.8
472
46017-8
46017ST-8
560180C-8
560180CE-8
4.080"
+.015"
6.125"
3.622"
1.304"
10.6 / 9.8
473
46018-8
46018ST-8
STROKER SERIES -10cc DISH
560265C-8
560265CE-8
4.065"
STD
6.125"
4.000"
1.115"
11.7 / 10.8
439
46016-8
46016ST-8
560270C-8
560270CE-8
4.070"
+.005"
6.125"
4.000"
1.115"
11.7 / 10.8
442
46017-8
46017ST-8
560275C-8
560275CE-8
4.075"
+.010"
6.125"
4.000"
1.115"
11.8 / 10.9
445
46017-8
46017ST-8
560280C-8
560280CE-8
4.080"
+.015"
6.125"
4.000"
1.115"
11.8 / 10.9
446
46018-8
46018ST-8
560300C-8
560300CE-8
4.125"
+.060"
6.125"
4.000"
1.115"
12.0 / 11.1
471
46060-8
46060ST-8
560305C-8
560305CE-8
4.130"
+.065"
6.125"
4.000"
1.115"
12.0 / 11.1
473
46061-8
46061ST-8
560310C-8
560310CE-8
4.135"
+.070"
6.125"
4.000"
1.115"
12.0 / 11.1
475
46062-8
46062ST-8
STROKER SERIES -20cc DISH
560465C-8
560465CE-8
4.065"
STD
6.125"
4.000"
1.115"
10.5 / 9.8
414
46016-8
46016ST-8
560470C-8
560470CE-8
4.070"
+.005"
6.125"
4.000"
1.115"
10.5 / 9.8
415
46017-8
46017ST-8
560475C-8
560475CE-8
4.075"
+.010"
6.125"
4.000"
1.115"
10.6 / 9.9
418
46017-8
46017ST-8
560480C-8
560480CE-8
4.080"
+.015"
6.125"
4.000"
1.115"
10.6 / 9.9
419
46018-8
46018ST-8
560500C-8
560500CE-8
4.125"
+.060"
6.125"
4.000"
1.115"
10.8 / 10.1
445
46060-8
46060ST-8
560505C-8
560505CE-8
4.130"
+.065"
6.125"
4.000"
1.115"
10.8 / 10.1
447
46061-8
46061ST-8
560510C-8
560510CE-8
4.135"
+.070"
6.125"
4.000"
1.115"
10.9 / 10.1
449
46062-8
46062ST-8
Compression are calculated at 0.00" deck clearance, a 9.240" deck height, with a 59cc LT1/65.5cc LT4 combustion chamber, and a .051" thick compressed head gasket
