Page 536 - 2021-22 Auto Performance_Circle Track
P. 536
Power Pak Flat-Top Piston Kits
valve pockets use 1.5mm top, 1.5mm second, and 3.0mm oil rings (unless spec- and performance piston rings.
Power Pak Plus 2bbl Flat-Top Piston Kits
NEW!
Engineered exclusively for use in 2bbl-powered, small block Chevy feature coated skirts, lateral gas ports and asymmetrical valve pockets. Pistons are machined for 1.0mm top and 1.0mm second compression,
and 2.0mm oil rings. Choose from high-output or lightweight versions. Sold complete with pistons, wrist pins, locks, and per-
Part No.
Bore Stroke
Length
Height Volume
Rod Comp. Dome
Comp. Ratio
Small Block Chevy
MAH930200030
4.030"
3.48"/3.50"
5.700"
1.550"
-5cc
10.6:1
MAH930203630*
4.030"
3.48"/3.50"
5.700"
1.550"
-5cc
10.6:1
MAH930200330
4.030"
3.48"/3.50"
6.000"
1.250"
-5cc
10.6:1
MAH930200630
4.030"
3.48"/3.50"
6.125"
1.125"
-5cc
10.6:1
MAH930200130
4.030"
3.750"
5.700"
1.425"
-5cc
11.1:1
MAH930203640*†
4.040"
3.48"/3.50"
5.700"
1.550"
-5.0cc
10.3:1
MAH930200040
4.040"
3.48"/3.50"
5.700"
1.550"
-5cc
10.6:1
MAH930200340
4.040"
3.48"/3.50"
6.000"
1.250"
-5cc
10.6:1
MAH930200140
4.040"
3.750"
5.700"
1.425"
-5cc
11.1:1
MAH930202640
4.040"
3.500"
6.000"
1.250"
-4cc
10.6:1
MAH930202640
4.040"
3.480"/3.50"
5.700"
1.550"
-5cc
10.5:1
MAH930200360
4.060"
3.48"/3.50"
6.000"
1.250"
-5cc
10.6:1
MAH930208825
4.125"
4.000"
6.000"
1.000"
-5cc
12.3:1
MAH930208225
4.125"
3.480"/3.50"
6.125"
1.125"
11cc
13.4:1
MAH930200755
4.155"
3.500"
6.125"
1.125"
-5cc
11.0:1
Small Block Chevy Gen. IV LS7 (Compatible with LS7 Style Cyl. Heads)
MAH930221625†
4.125"
4.000"
6.125"
1.105"
-2.5cc
12.6:1
Small Block Ford
MAH930244130
4.030"
3.000"
5.090"
1.600"
-6.6cc
9.0:1
MAH930244730
4.030"
3.400"
5.400"
1.090"
-6.6cc
10.0:1
MAH930244732†
4.032"
3.400"
5.400"
1.090"
-6.5cc
10.0:1
MAH930244735
4.035"
3.400"
5.400"
1.090"
-6.00cc
10.1:1
MAH930244745†
4.045"
3.400"
5.400"
1.090"
-6.5cc
10.1:1
MAH930244740
4.040"
3.400"
5.400"
1.090"
-6.6cc
10.0:1
MAH930244140
4.040"
3.000"
5.090"
1.600"
-6.5cc
9.6:1
MAH930244825†
4.125"
3.400"
5.400"
1.090"
-6.5cc
10.4:1
MAH930244425
4.125"
3.500"
6.200"
1.245"
-6.5cc
12.4:1
Part No. Bore Stroke
Performance Piston Ring Sets
Length
Height Volume
Rod Comp. Dome
Comp. Ratio
Small Block Chevy High Output Pistons
MAH930202530
4.030"
3.500"
5.700"
1.550"
-4.1cc
10.6:1
MAH930202535
4.035"
3.500"
5.700"
1.550"
-4.1cc
10.6:1
Small Block Chevy Lightweight Pistons
MAH930206560
4.060"
3.500"
5.700"
1.550"
-2.4cc
10.9:1
MAH930206630
4.030"
3.500"
6.000"
1.250"
-2.4cc
10.8:1
Part No.
Bore Stroke
Length
Height Volume
Rod Comp. Dome
Comp. Ratio
Mahle performance piston
rings, developed with inno-
vative computer simulation
and development tools, include
barrel-faced, plasma moly/ductile iron top
rings, cast iron reverse-twist second rings, and
Part No.
Top 2nd Oil Bore Ring Ring Ring
Oil Ring Tension
MAH4005MS-15
4.000"
1.5mm
1.5mm
3.0mm
Standard
MAH4035MS-112
4.030"
1.0mm
1.0mm
2.0mm
Standard
MAH4030MS
4.030”
1/16”
1/16”
3/16”
Standard
MAH4040MS-112
4.035"
1.0mm
1.0mm
2.0mm
Standard
MAH4045MS-112
4.040"
1.0mm
1.0mm
2.0mm
Standard
MAH4050ML-043
4.045”
.043”
.043”
3.0mm
Low
MAH4060MS-112
4.055"
1.0mm
1.0mm
2.0mm
Standard
MAH4065MS-112
4.060"
1.0mm
1.0mm
2.0mm
Standard
MAH4075MS-15
4.070"
1.5mm
1.5mm
3.0mm
Standard
MAH4130ML-043
4.125"
.043"
.043"
3.0mm
Low
MAH4130MS-112
4.125"
1.0mm
1.0mm
2.0mm
Standard
MAH4135MS-112
4.130"
1.0mm
1.0mm
2.0mm
Standard
MAH4140MS-112
4.135"
1.0mm
1.0mm
2.0mm
Standard
MAH4150MS-112
4.145"
1.0mm
1.0mm
2.0mm
Standard
MAH4160MS-112
4.155"
1.0mm
1.0mm
2.0mm
Standard
MAH4170ML-043
4.165"
.043"
.043"
3.0mm
Low
MAH4170MS-112
4.165"
1.0mm
1.0mm
2.0mm
Standard
MAH4175MS-112
4.170"
1.0mm
1.0mm
2.0mm
Standard
* Signifies pistons with 4-valve pocket design. In addition to the rod and stroke combinations listed with each part number, other rod/stroke com- binations may work. Small block Chevy and small block Ford compression ratios are based on a 64cc combustion chamber.
† Signifies pistons machined to accept 1mm top, 1mm second and 2mm oil rings.
Power Pak Plus 21° Flat- Top Piston Kits NEW!
Engineered exclusively for use in
49cc cylinder heads or other 21° angle
feature coated skirts, lateral gas ports, and asymmetrical valve pockets. Pistons are machined for 1.0mm top and 1.0mm second compression, and 2.0mm oil rings. Sold complete with
Lock'n Tool MAHW-927 Wrist pin lock insertion tool.
Designed for use with .927" diameter wrist pin clips.
Wrist Pin Lock Ring MAH6441489 Wrist pin C-clip without tang. Designed to retain
.927" diameter wrist pins.
Small Block Chevy
MAH197724930
4.030"
3.500"
5.700"
1.550"
-7.9cc
12.2:1
MAH197726830
4.030"
3.500"
6.000"
1.250"
-8.9cc
12.0:1
MAH197726840
4.040"
3.500"
6.000"
1.250"
-8.9cc
12.1:1
MAH197726860
4.060"
3.500"
6.000"
1.250"
-8.9cc
12.2:1
MAH197726865
4.065"
3.500"
6.000"
1.250"
-8.9cc
12.2:1
Note Compression ratios are based upon a 49cc combustion chamber.
534 TRACK
CIRCLE 2021-22
