Page 453 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

GM “604” POWER PAK
CRATE ENGINE PISTONS FLAT TOP PISTON KITS
Forged, 4032 alloy pistons deliver improved durability Forged, flat top pistons with radiused valve pockets use
when compared to the OEM cast pistons found in GM 1.5mm top, 1.5mm second and 3.0mm oil rings (unless specified).
“604” crate engines. Flat top pistons, which accept stock- Sets of eight with wrist pins, locks and performance piston rings.
sized 2mm and 1.5mm compression, and 4mm oil rings, are identical Rod Comp. Dome Comp.
in design to the OEM units and are approved by a wide variety of sanctioning Part No. Bore Stroke Length Height Volume Ratio
bodies. Sets of eight with press fit wrist pins. Small Block Chevy
MAHSBC550030F05 4.030" 3.48"/3.50" 5.700" 1.550" -5cc 10.6:1
Rod Comp. Dome Comp.
Part No. Bore Stroke Length Height Volume Ratio MAH930203630* 4.030" 3.48"/3.50" 5.700" 1.550" -5cc 10.6:1
Small Block Chevy MAHSBC250030F05 4.030" 3.48"/3.50" 6.000" 1.250" -5cc 10.6:1
MAH930127805 4.005" 3.480" 5.700" 1.559" -4.9cc 9.93:1 MAHSBC125030F05 4.030" 3.48"/3.50" 6.125" 1.125" -5cc 10.6:1
MAH930127820 4.020" 3.480" 5.700" 1.559" -4.9cc 9.93:1 MAHSBC425030F05 4.030" 3.750" 5.700" 1.425" -5cc 11.1:1
MAH930127830 4.030" 3.480" 5.700" 1.559" -4.9cc 9.93:1 MAHSBC550040F05 4.040" 3.48"/3.50" 5.700" 1.550" -5cc 10.6:1
Note: Small block Chevy compression ratios are based on a 64cc combus- MAHSBC250040F05 4.040" 3.48"/3.50" 6.000" 1.250" -5cc 10.6:1
tion chamber. MAHSBC425040F05 4.040" 3.750" 5.700" 1.425" -5cc 11.1:1
MAHSBC250060F05 4.060" 3.48"/3.50" 6.000" 1.250" -5cc 10.6:1
MAHSBC000125F05 4.125" 4.000" 6.000" 1.000" -5cc 12.3:1
MAHSBC930200455 † 4.155" 3.48"/3.50" 6.000" 1.250" -5cc 11.0:1
PERFORMANCE MAHSBC125155F05 4.155" 3.500" 6.125" 1.125" -5cc 11.0:1
PISTON RING SETS Small Block Ford
Mahle performance piston rings, MAHSBF600030F06 4.030" 3.000" 5.090" 1.600" -6.6cc 9.0:1
developed with innovative computer MAHSBF090030F06 4.030" 3.400" 5.400" 1.090" -6.6cc 10.0:1
simulation and development tools, include MAHSBF090040F06 4.040" 3.400" 5.400" 1.090" -6.6cc 10.0:1
barrel-faced, plasma moly/ductile iron top rings, * Signifies pistons with 4-valve pocket design. In addition to the rod and
stroke combinations listed with each part number, other rod/stroke com-
cast iron reverse twist second rings and conventional three- binations may work. Small block Chevy and small block Ford compression
piece oil rings. Sets listed require file fitting. ratios are based on a 64cc combustion chamber.
Top 2nd Oil Oil † Signifies pistons machined to accept 1mm top, 1mm second and 2mm
Part No. Bore Ring Ring Ring Ring Tension oil rings.
MAH4030ML-043 4.025" .043" .043" 3.0mm Low
MAH4035ML 4.030" 1/16" 1/16" 3/16" Low POWER PAK
MAH4035MS 4.030" 1/16" 1/16" 3/16" Standard DOMED PISTON KITS
MAH4035MS-15 4.030" 1.5mm 1.5mm 3.0mm Standard Forged, domed pistons with radiused valve pockets are
MAH4035ML-043 4.030" .043" .043" 3.0mm Low machined for 1.5mm top, 1.5mm second and 3.0mm oil rings.
MAH4040ML-043 4.035" .043" .043" 3.0mm Low Sets of eight include wrist pins, locks and performance piston rings.
MAH4045ML 4.040" 1/16" 1/16" 3/16" Low Rod Comp. Dome Comp.
MAH4045MS-15 4.040" 1.5mm 1.5mm 3.0mm Standard Part No. Bore Stroke Length Height Volume Ratio
MAH4045ML-043 4.040" .043" .043" 3.0mm Low Small Block Chevy
MAH4055ML-043 4.050" .043" .043" 3.0mm Low MAHSBC550030D11 4.030" 3.48"/3.50" 5.700" 1.550" 11cc 13.0:1
11cc
MAHSBC250030D11 4.030" 3.48"/3.50" 6.000" 1.250"
13.0:1
MAH4065ML-043 4.060" .043" .043" 3.0mm Low MAHSBC125030D11 4.030" 3.48"/3.50" 6.125" 1.125" 11cc 13.0:1
MAH4070ML-043 4.065" .043" .043" 3.0mm Low MAHSBC425030D11 4.030" 3.750" 5.700" 1.425" 11cc 13.8:1
MAH4130MS-15 4.125" 1.5mm 1.5mm 3.0mm Standard MAHSBC250060D11 4.060" 3.48"/3.50" 6.000" 1.250" 11cc 13.0:1
MAH4160MS-15 4.155" 1.5mm 1.5mm 3.0mm Standard MAHSBC125125D04 4.125" 3.750" 6.000" 1.125" 4cc 13.0:1
MAH4170MS-15 4.165" 1.5mm 1.5mm 3.0mm Standard MAHSBC125155D04 4.155" 3.750" 6.000" 1.125" 4cc 13.0:1
MAHSBC125165D04 4.165" 3.48"/3.50" 6.125" 1.125" 4cc 12.3:1
MAHSBC125165D11 4.165" 3.750" 6.000" 1.125" 11cc 14.3:1
Notes: In addition to the rod and stroke combinations listed with each part
number, other rod/stroke combinations may work. Compression ratios are
based on a 64cc combustion chamber.

MAR3013
COMP II GAUGES
I N S T R U M E N T S High performance at an affordable price...That's
MAR3296 Marshall Instruments Comp II line of gauges. Mechanical,
2-5/8" gauges have durable, accurate movements, incan-
COMP II TACHOMETERS descent lighting, bold markings, bright orange pointers,
chrome bezels or removable, aluminum bezels. Choose
Large, 5" diameter Comp II tachometers utilize 270°, full from gauges with white or black dial faces.
sweep dials with bold markings, bright orange pointers and Black White
modern incandescent lighting for exceptional readability. Description Part No. Part No.
Stepper motor technology provides exceptional accuracy. Oil Pressure, 0-100 PSI, 6' Nylon Tubing MAR3013 MAR3213
Choose from tachs with white or black dial faces. Oil Temperature, 120°-280° F.,
Black White 6' Capillary Tubing, 1/2" NPT MAR3015 MAR3215
Description Part No. Part No. Water Temperature, 120°-280° F.,
0-10,000 RPM Tachometer, Recall MAR3092 MAR3292 6' Capillary Tubing, 1/2" NPT MAR3014 MAR3214
0-10,000 RPM Tachometer, Recall And Shift Light MAR3096 MAR3296 Fuel Pressure, 0-15 PSI, 6' Nylon Tubing MAR3017 –

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