Page 346 - 2021-22_EngineCatalogAP

FORGED PISTONS
Ford Small Block 289-302
Part No.
289-302 - 4.030"
WPTPTS500A3 SRP138734 MAH930244130 A SEAL2482F30 TRFTFS-51404000 D DSS8720-4030 B MAH930244730 A
289-302 - 4.030"
SRP138726 DSS8741-4030 B MAH930249130 A SRP151868
289-302 - 4.030"
SRP289555
289-302 - 4.035"
MAH930244735
289-302 - 4.040"
SRP138735 SEAL2482F40 MAH930244740 A
289-302 - 4.040"
WPTPTS500A4 MAH930244140
289-302 - 4.060"
MAH930244760 A
Description
Bore - Flat-Top
2 Reliefs, -7cc
2 Reliefs, -5cc
2 Reliefs, -6cc
4 Reliefs, -2.7cc
2 Reliefs, +2cc
E Series, 2 Reliefs, -3cc, .912" Pin Dia. 2 Reliefs, -6cc
Bore - Dished-Top
Dished, -14.5cc
E Series, Dished, -6cc, .927" Pin Dia. Dished, -16cc
Dished, -12.5cc
Bore - Dome-Top
Dome, +3.5cc "Boss 302"
Bore - Flat-Top
2 Reliefs
Bore - Flat-Top
2 Reliefs, -5cc 2 Reliefs, -2.7cc 2 Reliefs, 6.6cc
Bore - Flat-Top
2 Reliefs, -7cc 2 Reliefs, 6cc
Bore - Flat-Top
2 Reliefs, -6cc
Stroke Length
3.000" 5.090" 3.000" 5.090" 3.000" 5.090" 3.000" 5.090" 3.000" 5.090" 3.000" 5.090" 3.400" 5.400"
3.000" 5.090" 3.400" 5.400" 3.400" 5.400" 3.400" 5.400"
3.000" 5.155" 3.400" 5.400"
3.000" 5.090" 3.000" 5.090" 3.400" 5.400"
3.000" 5.090" 3.000" 5.090"
3.400" 5.400"
4.100" 6.200" 3.400 5.400"
3.400" 5.400"
4.000" 6.200"
Height Type
1.600" P/F 1.600" P/F 1.600" P/F 1.605" PRESS 1.600" P/F 1.605" P/F 1.090" P/F
1.600" P/F 1.090" P/F 1.090" P/F 1.100" P/F
1.540" P/F
1.090" P/F
1.600" P/F 1.605" PRESS 1.090" P/F
1.600" P/F 1.600" P/F
1.090" P/F
1.245" P/F 1.090" P/F
1.090" P/F
1.280" P/F
FORD SMALL BLOCK 221-351W
289-302 - 4.125" Bore - Flat-Top
MAH930244425 2 Reliefs, -6cc MAH930244825 2 Reliefs, -6cc
289-302 - 4.125" Bore - Dished-Top
BTPBF6111-STD-8 A Dished, -22cc
289-302 - 4.155" Bore - Dished-Top
DSS4589X-4155 C GSX, Dished, -31cc, .927 Pin Dia.
A Piston sets include piston rings. B Inline cylinder heads. C Inline & twisted wedge cylinder head type.
D Wiseco Powerport Forged Piston designed for the valve angles of the twisted wedge heads. P/F - PRESS-FIT/FLOATING
Ford Small Block 351W
Part No. Description
Ford 351W - 4.030" Bore - Flat-Top
Stroke Length
3.500" 5.956" 3.850" 5.956" 3.850" 5.956" 4.250" 6.250"
3.500" 5.956" 3.850" 5.956"
2.870" 5.090"
3.500" 5.956"
3.850" 5.956"
Height
1.774" 1.600" 1.600" 1.100"
1.772" 1.600"
1.608"
1.774"
1.600"
SRP138730
SRP138734 MAH930244130 A SRP140689
2 Reliefs, -5cc
2 Reliefs, -5cc 2 Reliefs, -6.6cc 2 Reliefs, -5cc
Ford 351W - 4.030" Bore - Dished-Top
SEAL2446F30 Dished, -13.2cc SRP138726 Dished, -14.5cc Ford 351W - 4.030" Bore - Dome-Top
ICNIC736.030 Dome, +6.8cc
Ford 351W - 4.040" Bore - Flat-Top
SRP138731 2 Reliefs, -5cc
SRP138735 2 Reliefs, -5cc
A Piston sets include piston rings. B Inline cylinder heads. C Inline & twisted wedge cylinder head type. P/F - PRESS-FIT/FLOATING
344 2021-22 ENGINE BUILDER CATALOG
Rod Comp. Wrist Pin
Comp. Cubic Ratio Inch
9.3 @ 60cc 306 9.2 @ 60cc 306 9.1 @ 5cc 306 9.6 @ 60cc 306 — 302 9.63 @ 61cc 306 10.1 @ 60cc 347
8.3 @ 60cc 306 10.39 @ 58cc 347 9.1 @ 60cc 347 9.7 @ 60cc 347
10.5 @ 60cc 306
10.1 @ 64cc 348
9.3 @ 60cc 308 9.6 @ 60cc 308 10.2 @ 60cc 349
9.3 @ 60cc 308 9.7 @58cc 308
10.2 @ 60cc 352
13.3 @ 58cc 438 11.2 @ 58cc 364
8.9 @ 60cc 364
9.95 @ 58cc 433
Piston Ring Package
1/16", 1/16", 3/16"
1/16", 1/16", 3/16" 1.5mm, 1.5mm, 3.0mm 5/64", 5/64", 3/16" 1/16", 1/16", 3/16" 5/64", 5/64", 3/16" 1.5mm, 1.5mm, 3.0mm
1/16", 1/16", 3/16" 5/64", 5/64", 3/16" 1.5mm, 1.5mm, 3.0mm 1/16", 1/16", 3/16"
1/16", 1/16", 3/16"
1.0mm, 1.0mm, 2.0mm
1/16", 1/16", 3/16" 5/64", 5/64", 3/16" 1.5mm, 1.5mm, 3.0mm
1/16", 1/16", 3/16" 1.0mm, 1.0mm, 2.0mm
1.5mm, 1.5mm, 3.0mm
1.0mm, 1.0mm, 2.0mm 1.0mm, 1.0mm, 2.0mm
1.5mm, 1.5mm, 3.0mm
1.5mm, 1.5mm, 3.0mm
Piston Ring Package
1/16", 1/16", 3/16"
1/16", 1/16", 3/16" 1.5mm, 1.5mm, 3.0mm 1/16", 1/16", 3/16"
5/64", 5/64", 3/16" 1/16", 1/16", 3/16"
1/16", 1/16", 3/16"
1/16", 1/16" 3/16" 1/16", 1/16", 3/16"
Rod Comp.
Wrist Pin Type
P/F P/F P/F P/F
PRESS P/F
P/F
P/F
P/F
Comp. Cubic Ratio Inch
10.5 @ 60cc 357 11.5 @ 60cc 393 11.3 @ 60cc 393 13.3 @ 58cc 434
9.5 @ 60cc 357 10.3 @ 60cc 393
10.6 @ 64cc 302
10.4 @ 64cc 358
11.5 @ 60cc 395