FORGED PISTONS
Rod Length
Comp Height
Wrist Pin Type
Comp Ratio
Cubic Inch
Piston Ring Package
Part No.
Description
Stroke
4.040" Bore - Dome-Top SRP140675
Dome, +11cc Dome, +11cc Dome, +11cc Dome +11cc Dome, +3cc Dome, +7cc Dome, +7cc Dome, +8cc Dome, +11cc Dome, +11cc Dome, +8cc Dome, +13cc Dome, +11cc Dome, +7cc Dome, +3cc
3.480" 5.700" 3.480" 6.000" 3.480" 5.700" 3.500" 6.125" 3.500" 6.000" 3.500" 6.000" 3.750" 5.700" 3.750" 6.000" 3.480" 5.700" 3.480" 6.000" 3.480" 5.700" 3.480" 5.700" 3.500" 6.000" 3.500" 6.000" 3.750" 6.000" 3.875" 6.000" 3.500" 6.125" 3.750" 6.000" 3.750" 6.000" 3.875" 6.000" 4.000" 6.000" 4.000" 6.000"
1.560" 1.260" 1.560" 1.125" 1.250" 1.250" 1.425" 1.125" 1.560" 1.260" 1.560" 1.560" 1.250" 1.250" 1.125" 1.062" 1.125" 1.125" 1.125" 1.062" 1.000" 1.000" 1.000"
P/F 12.3 @ 67cc 357 P/F 12.4 @ 67cc 357 P/F 12.1 @ 64cc 357
1/16", 1/16", 3/16" 1/16", 1/16", 3/16" 1/16", 1/16", 3/16"
SRP140679
WPTPTS502A4 † MAH930208140 † MAH930202640 †
Hollow Dome, +8cc
P/F 13.0 @ 64cc 359 1.5mm, 1.5mm, 3.0mm P/F 10.4 @ 67cc 359 1.5mm, 1.5mm, 3.0mm
JEP182014 SRP140345 SRP140349
P/F 13.4 @ 64cc 359 P/F 12.9 @ 64cc 385 P/F 12.4 @ 67cc 385 P/F 12.2 @ 64cc 360 P/F 13.0 @ 64cc 360 P/F 12.9 @ 64cc 360 P/F 12.2 @ 64cc 360 P/F 12.6 @ 67cc 362 P/F 12.5 @ 67cc 388 P/F 13.7 @ 64cc 420
1/16", 1/16", 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" 1/16", 1/16", 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"
4.060" Bore - Dome-Top WPTPTS502A6 †
SRP140680 SRP140676
WPTPTS502A6
JEP182015
MAH930207960 †
P/F 11.5 @ 67cc 357 1.5mm, 1.5mm, 3.0mm
SRP140350 JEP182036
4.125" Bore - Flat-Top MAH930200725 A
2 Reliefs, -5cc 2 Reliefs, -6.9cc 2 Reliefs, -5cc 2 Reliefs, -5cc 2 Reliefs, -5cc
P/F 9.9 @ 67cc 374 1.5mm, 1.5mm, 3.0mm P/F 10.6 @ 64cc 400 1.5mm, 1.5mm, 3.0mm
BTPBC1100-STD-8 A
SRP231308 JEP181957 JEP242886
P/F 11.4 @ 64cc 400 P/F 11.4 @ 67cc 414 P/F 12.4 @ 64cc 428
1/16", 1/16", 3/16" 1/16", 1/16", 3/16" 1/16", 1/16", 3/16"
2 Reliefs, -6cc, 18° Heads
MAH930208825 A SRP295444 A
P/F 12.3 @ 64cc 427 1.5mm, 1.5mm, 3.0mm P/F 12.2 @ 64cc 428 1.2mm, 1.5mm, 3.0mm
2 Reliefs, -5cc, Pro-Series 4.000" 6.000"
4.125" Bore - Dish-Top BTPBC1120-STD-8 A 4.130" Bore - Flat Top CPPS2411-8 B 4.135" Bore - Flat Top CPPS2412-8 B ICNIC851.STD 4.145" Bore - Flat Top CCPS2424-8 B 4.155" Bore - Flat-Top WPTPTS507A3 CCPS2414-8 B
Dished, -20.5cc Step-Dish, -15.2cc
3.750" 6.000" 4.000" 6.000"
1.125" 1.015"
P/F 9.5 @ 64cc 401 1.5mm, 1.5mm, 3.0mm
P/F 11.1 @ 64cc 434
1/16", 1/16", 3/16"
2 Reliefs, -2.2cc, 13° Heads 3.875" 6.000"
1.062"
P/F
N/A
415 1.5mm, 1.5mm, 3.0mm
2 Reliefs, -2.2cc, 13° Heads 3.875" 6.000"
1.062"
P/F
N/A
416 1.5mm, 1.5mm, 3.0mm
2 Reliefs, -2.2cc, 13° Heads 3.800" 6.000" 2 Reliefs, -2.2cc, 13° Heads 3.875" 6.000"
1.100" 1.062"
P/F P/F
N/A N/A
414 1.5mm, 1.5mm, 3.0mm 418 1.5mm, 1.5mm, 3.0mm
2 Reliefs, -7cc 2 Reliefs, -5cc 2 Reliefs, -5cc 2 Reliefs, -5cc 2 Reliefs, -5cc 2 Reliefs, -7cc 2 Reliefs, -3.7cc
3.480" 5.700" 3.500" 6.000" 3.500" 6.125" 3.750" 6.000" 3.180" 5.700" 3.750" 5.700" 3.750" 5.700" 3.750" 6.000" 3.750" 5.700" 3.875" 6.000" 3.875" 6.000" 4.000" 6.000" 4.000" 6.000"
1.560" 1.250" 1.125" 1.125" 1.125" 1.425" 1.433" 1.125" 1.425" 1.100" 1.062" 1.125" 1.062" 1.000" 1.000" 1.125" 1.425" 1.000" 1.000" 1.425" 1.425" 1.125" 1.062" 1.000" 1.000" 1.000"
P/F 10.4 @ 64cc 377
1/16", 1/16", 3/16"
MAH930200455 A MAH930200755 A SRP271065 A WPTPTS525A3 A WPTPTS501A3 ICNIC9941.030 SRP271065 A WPTPTS510A3 A CCPS2425-8 B SRP271064 A MAH930200755 A CCPS2415-8 B
P/F 10.0 @ 67cc 380 1.5mm, 1.5mm, 3.0mm P/F 10.0 @ 67cc 380 1.5mm, 1.5mm, 3.0mm P/F 10.6 @ 67cc 406 1.2mm, 1.5mm, 3.0mm
P/F 9.8 @ 64cc 406 P/F 10.8 @ 67cc 407 P/F 11.0 @ 67cc 407
1/16", 1/16", 3/16" 1/16", 1/16", 3/16" 5/64", 5/64", 3/16"
Pro Series, 2 Reliefs, -5cc
P/F 11.6 @ 64cc 406 1.2mm, 1.5mm, 3.0mm
2 Reliefs, -7cc
P/F 11.6 @ 64cc 407
1/16", 1/16", 3/16"
2 Reliefs, -2.2cc, 13° Heads 3.800" 6.000"
P/F
N/A
412 1.5mm, 1.5mm, 3.0mm
2 Reliefs, -5cc 2 Reliefs, -5cc
P/F 10.9 @ 67cc 421 1.2mm, 1.5mm, 3.0mm P/F 11.7 @ 64cc 407 1.0mm, 1.0mm, 2.0mm
2 Reliefs, -2.2cc, 13° Heads 3.875" 6.000"
P/F
N/A
420 1.5mm, 1.5mm, 3.0mm
JEP194339 SRP271063 A
2 Reliefs, -5cc
P/F 12.3 @ 64cc 434
1/16", 1/16", 3/16"
Pro Series, 2 Reliefs, -5cc
P/F 12.3 @ 64cc 434 1.2mm, 1.5mm, 3.0mm
4.165" Bore - Flat-Top BTPBC1100-040-8 A
2 Reliefs, -6.9cc 2 Reliefs, -7cc
3.750" 6.000" 3.750" 5.700"
P/F 10.7 @ 64cc 410 1.5mm, 1.5mm, 3.0mm
WPTPTS510A4 A CPPS2405-8
P/F 11.6 @ 64cc 409
1/16", 1/16", 3/16"
2 Reliefs, -8.8cc, 13 Deg. Heads 4.000" 6.000"
P/F 13.2 @ 52cc 436 .043", .043", 3.0mm
JEP194340
2 Reliefs, -5cc
4.000" 6.000"
P/F 12.4 @ 64cc 436
1/16", 1/16", 3/16"
4.155" Bore - Dish-Top ICNIC754.030
Step Dish, -15.2cc “D” Dish, -21cc Dish, -16cc Dish, -16cc Dish, -20cc Dish, -16cc GSX / Dish, -21cc
3.750" 5.700" 3.750" 5.700" 3.750" 6.000" 3.875" 6.000" 4.000" 6.000" 4.000" 6.000" 4.000" 6.000"
P/F 10.5 @ 64cc 407 P/F 9.8 @ 67cc 407
1/16", 1/16", 3/16" 1/16", 1/16", 3/16"
SRP139625 SRP271069 A SRP271068 A DSS2705X-4155 MAH930211455 A SRP271067 A
P/F 9.6 @ 67cc 406 1.2mm, 1.5mm, 3.0mm P/F 9.8 @ 67cc 421 1.2mm, 1.5mm, 3.0mm P/F 10.34 @ 64cc 434 1.5mm, 1.5mm, 3.0mm P/F 10.6 @ 64cc 434 1.5mm, 1.5mm, 3.0mm P/F 10.1 @ 67cc 434 1.2mm, 1.5mm, 3.0mm
4.165" Bore - Dish-Top SRP147550
Dish, -16cc
3.750" 6.000"
1.125"
P/F 10.3 @ 64cc 409
1/16", 1/16", 3/16"
† Piston sets include piston rings. P/F - PRESS-FIT / FLOATING
43
2021-22 ENGINE BUILDER CATALOG
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