Page 158 - 2021-22_EngineCatalogAP

FORGED PISTONS
LS Series
Part No.
3.780" Bore - Flat-Top
Rod Comp Wrist Pin Comp Cubic
Piston Ring Package
1.2mm x 1.2mm x 3.0mm 1.2mm x 1.2mm x 3.0mm 1.2mm x 1.2mm x 3.0mm 1.5mm x 1.5mm x 3.0mm 1.5mm x 1.5mm x 3.0mm 1.5mm x 1.5mm x 3.0mm
1.2mm x 1.2mm x 3.0mm 1.2mm x 1.2mm x 3.0mm 1.2mm x 1.2mm x 3.0mm 1.5mm x 1.5mm x 3.0mm 1.5mm x 1.5mm x 3.0mm 1.5mm x 1.5mm x 3.0mm
1/16". 1/16", 3.0mm 1/16" x 1/16" x 3.0mm
1.2mm x 1.2mm x 3.0mm 1.2mm x 1.2mm x 3.0mm 1.2mm x 1.2mm x 3.0mm 1.5mm x 1.5mm x 3.0mm 1.5mm x 1.5mm x 3.0mm 1.5mm x 1.5mm x 3.0mm
1.5mm, 1.5mm, 3.0mm
1/16", 1/16", 3.0mm
1.5mm, 1.5mm, 3.0mm 1.5mm, 1.5mm, 3.0mm 1.0mm, 1.0mm, 2.0mm 1.2mm, 1.2mm, 3.0mm 1.5mm, 1.5mm, 3.0mm
1.5mm, 1.5mm, 3.0mm
1.2mm, 1.2mm, 3.0mm 1.5mm, 1.5mm, 3.0mm 1.2mm, 1.2mm, 3.0mm
1.5mm, 1.5mm, 3.0mm
1.2mm, 1.2mm, 3.0mm 1.5mm, 1.5mm, 3.0mm
1.2mm, 1.2mm, 3.0mm 1.2mm, 1.2mm, 3.0mm 1.2mm, 1.2mm, 3.0mm 1.2mm, 1.2mm, 3.0mm
ICNIC545C.STD ICNIC546C.STD ICNIC547C.STD ICNIC9985C.STD ICNIC9986C.STD ICNIC9987C.STD
3.800" Bore -
ICNIC545C.020 ICNIC546C.020 ICNIC547C.020 ICNIC9985C.020 ICNIC9986C.020 ICNIC9987C.020
WISK474M965 WISK473M965
Flat-Top
1.331" P/F 1.304" P/F 1.304" P/F 1.331" P/F 1.331" P/F 1.115" P/F
1.331" P/F 1.304" P/F 1.304" P/F 1.331" P/F 1.331" P/F 1.115" P/F
1.300" P/F 1.110" P/F
1.331" P/F 1.304" P/F 1.304" P/F 1.331" P/F 1.331" P/F 1.115" P/F
1.340" P/F
1.335" P/F
1.305" P/F 1.340" P/F 1.314" P/F 1.304" P/F 1.110" P/F
1.340" P/F
1.304" P/F 1.340" P/F 1.115" P/F
1.115" P/F
1.304" P/F 1.305" P/F
1.300" P/F 1.115" P/F 1.115" P/F 1.115" P/F
9.1 @ 68.4cc 9.5 @ 68.4cc 10.1 @ 68.4cc 9.5 @ 68.4cc 9.9 @ 64.5cc 10.8 @ 64.5cc
9.1 @ 68.4cc 9.5 @ 68.4cc 10.1 @ 68.4cc 9.5 @ 68.4cc 9.9 @ 64.5cc 10.8 @ 64.5cc
9.8 @ 66cc 9.8 @ 66cc
9.1 @ 68.4cc 9.5 @ 68.4cc 10.1 @ 68.4cc 9.5 @ 68.4cc 9.9 @ 64.5cc 10.8 @ 64.5cc
10.4 @ 67cc
10.7 @ 65cc
10.2 @ 64cc 10.1 @ 64cc 10.2 @ 65cc 9.9 @ 67cc 11.1 @ 64cc
10.4 @ 67cc
10.3 @68.4cc 10.5 @ 67cc 11.3 @ 68.4cc
11.4 @ 68.4cc
9.9 @ 68.4cc 9.48 @ 64cc
9.6 @ 67cc 10.0 @ 68.4cc 9.6 @ 68.4cc 10.8 @ 68.4cc
327 327 327 327 327 359
327 327 327 327 327 359
5.3L/327 327
327 327 327 327 327 359
346
347
347 347 347 347 383
348
365 364 403
403
365 364
365 403 403 403
3.810" Bore - Flat-Top
ICNIC545C.030 ICNIC546C.030 ICNIC547C.030 ICNIC9985C.030 ICNIC9986C.030 ICNIC9987C.030
3.898" Bore -
MAH930217698 †
3.903" Bore -
WPTPTS523A903 †
Premium, 2 Reliefs, Premium, 2 Reliefs, Premium, 2 Reliefs,
FHR Series, 2 Reliefs, FHR Series, 2 Reliefs, FHR Series, 2 Reliefs,
2 Reliefs, -4cc
Dome-Top
Pro Tru Street Ser, Domed, +4cc, .945" Pin Dia.
3.905" Bore - Flat-Top
BTPBLS1112-007-8 MAH930217605 † MAH930217905 † WISK398X3905 BTPBLS1009-007-8
2 Reliefs, -2.7cc
2 Reliefs, -4cc, LS1/LS2/LS6
2 Reliefs, -4.1cc
2 Reliefs, -3.2cc, LS1/LS2/LS3/LS6/L92 2 Reliefs, -2.7cc
3.908" Bore -
MAH930217608 †
4.000" Bore -
ICNIC551C.STD MAH930217700 † ICNIC552C.STD
ICNIC9991C.STD
4.000" Bore -
ICNIC553C.STD
4.000" Bore -
Flat-Top Flat-Top
2 Reliefs, -4cc
DSS1823BSX-4000
4.005" Bore - Dish-Top
WISK444X05
ICNIC529CAKTS.005 †
ICNIC532CAKTS.005 †
ICNIC533CAKTS.005 †
Dished, 2 Reliefs, -11cc, LS1/LS2/LS3/LS6/L92
Premium Coated Anodized, Boosted Appl.
15°, .030" Offset Pin, Dished -15cc
Premium Coated Anodized, Boosted Appl.
15°, .030" Offset Pin, Dished -20cc
Premium Coated Anodized, Boosted Appl. 15°, .030" Offset Pin, Dished -8cc
Flat-Top
Flat-Top
Dish-Top
Premium, Dished, -12.5cc SX / Dished, -15cc, LS2
Description
Premium, 2 Reliefs, -3cc Premium, 2 Reliefs, -3cc Premium, 2 Reliefs, -3cc FHR Series, 2 Reliefs, -2.9cc FHR Series, 2 Reliefs, -2.9cc FHR Series, 2 Reliefs, -2.9cc
Stroke Length
3.622" 6.098" 3.622" 6.125" 3.622" 6.098" 3.622" 6.098" 3.622" 6.125" 4.000" 6.125"
3.622" 6.098" 3.622" 6.125" 3.622" 6.098" 3.622" 6.098" 3.622" 6.125" 4.000" 6.125"
4.000" 6.098" 6.125"
4.000" 6.125"
3.622" 6.098" 3.622" 6.125" 3.622" 6.098" 3.622" 6.098" 3.622" 6.125" 4.000" 6.125"
3.622" 6.098"
3.622" 6.098"
3.622" 6.125" 3.622" 6.098" 3.622" 6.125" 3.622" 6.098" 4.000" 6.125"
3.622" 6.098"
3.622" 6.125" 3.622" 6.098" 4.000" 6.125"
4.000" 6.125"
4.000" 6.125" 3.622" 6.125"
3.622" 6.098" 4.000" 6.125" 4.000" 6.125" 4.000" 6.125"
Ht. Type Ratio Inch
Premium, 2 Reliefs, -3cc Premium, 2 Reliefs, -3cc Premium, 2 Reliefs, -3cc
FHR Series, 2 Reliefs, -2.9cc FHR Series, 2 Reliefs, -2.9cc FHR Series, 2 Reliefs, -2.9cc NA/Boost/Nitrous, 2 Reliefs, -2.2cc, LS1/LS2/LS6 .927" Pin Dia.
LS / LT (GEN-5) SERIES
Professional Ser. LS 5.3L, 2
Reliefs, -7cc
-3cc -3cc -3cc -2.9cc -2.9cc -2.9cc
Premium, 2 Reliefs, -3cc
2 Reliefs, -4cc Premium, 2 Reliefs, -4cc FHR Series, R & L Bank Pistons, .030" Offset Pin, 2 Reliefs, -3.3cc
† Piston sets include piston rings. P/F - PRESS-FIT / FLOATING
156 2021-22 ENGINE BUILDER CATALOG