Mahle PowerPak pistons are a race proven lightweight forged design that are complete with rings, wrist pins, and locks. They are also completely phosphate coated plus feature an anti-friction Grafal skirt coating. PowerPak pistons are made from 4032 aluminum alloy to allow for tighter cylinder to wall clearances, and improved temperature stability.

Forged piston for performance applications Fully-machined crown
Grafal anti-Friction coating on skirts
Phosphate-coated to reduce micro-welding and pin galling
Pin bores binished on CNC boring equipment
Deburred
High strength, light weight steel pins
Race proven round wire locks
Low drag ring pak
Lightweight slipper kirt forgings

1.5, 1.5, 3.0mm file fit performance ring set included. For 305 c.i. S/B Chevy (3.736" bore x 3.48" stroke).

C/R 58cc: 10.0
C/R 64cc: 9.3
C/R 70cc: 8.7

Item Details

Piston Weight: 408 g
Dome: -5 CC
Rod Length: 5.7"

Specs

Comp Height: 1.550"
Pin Diameter: .927"
Clearance Guide
- *Meas. = 0.894
- Min = 0.0025
- Max = 0.0033

*The location to measure piston-to-wall clearance for each application. This point is calculated from the bottom of the piston skirt and indicates the widest part of the piston and thus where to measure.

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CARB warning

MAHLE SBC550766F03 Specifications

KEY SPECS
MFG. Part #	SBC550766F03
Brand	MAHLE
Piston Style	Flat Top w/ 4 valve reliefs
Piston Material	Forged Aluminum

GENERAL
Piston Diameter	3.766"
Stroke	3.480"
Connecting Rod Length	5.700"
Piston Weight	408 grams
Piston Ring Style	E
Wrist Pin Diameter	0.9270"
Second Ring Material	Cast Iron
Top Ring Thickness	.043"
Top Ring Material	Ductile Iron
Second Ring Thickness	.043"
Oil Ring Thickness	3.0 mm
Oil Ring Tension	Standard Tension
Sold in Quantity	Set

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Fitment

1991-1993 Buick Roadmaster

Gen 1 L03 Small Block Chevy

1991-1992 Cadillac Brougham

1-Piece Rear Main 305 LB9

1987 Chevy Blazer

Gen 1 L03 Small Block Chevy

1976-1985 Chevy C10

Gen 1 LG3 Small Block Chevy

1986 Chevy C10

1-Piece Rear Main 305 LG4
Gen 1 LG3 Small Block Chevy

1976-1982 Chevy C10 Suburban

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy C10 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy C10 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1982-1987 Chevy C15

Gen 1 LE9 Small Block Chevy

1988 Chevy C15

Gen 1 L03 Small Block Chevy

1988-1995 Chevy C1500

Gen 1 L03 Small Block Chevy

1996 Chevy C1500

Gen 1 L03 Small Block Chevy
Vortec L30 Small Block Chevy

1997-1999 Chevy C1500

Vortec L30 Small Block Chevy

1977-1982 Chevy C20

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy C20

2-Piece Rear Main 305 LG4

1986 Chevy C20

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987 Chevy C20

Gen 1 L03 Small Block Chevy

1976-1978 Chevy C20 Suburban

Gen 1 LG3 Small Block Chevy

1979-1985 Chevy C20 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy C20 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1988-1995 Chevy C2500

Gen 1 L03 Small Block Chevy

1996 Chevy C2500

Gen 1 L03 Small Block Chevy
Vortec L30 Small Block Chevy

1997-1998 Chevy C2500

Vortec L30 Small Block Chevy

1978-1979 Chevy C30

Gen 1 LG3 Small Block Chevy

1986 Chevy C30

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1976-1982 Chevy Camaro

Gen 1 LG3 Small Block Chevy

1983-1984 Chevy Camaro

2-Piece Rear Main 305 LG4

1985 Chevy Camaro

2-Piece Rear Main 305 LB9
2-Piece Rear Main 305 LG4
Gen 1 L69 Small Block Chevy

1986 Chevy Camaro

1-Piece Rear Main 305 LB9
2-Piece Rear Main 305 LG4

1987-1992 Chevy Camaro

1-Piece Rear Main 305 LB9

1977 Chevy Caprice

Gen 1 LG3 Small Block Chevy

1978-1985 Chevy Caprice

2-Piece Rear Main 305 LG4

1986 Chevy Caprice

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1993 Chevy Caprice

Gen 1 L03 Small Block Chevy

1980 Chevy Corvette

Gen 1 LG3 Small Block Chevy

1976-1982 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy El Camino

2-Piece Rear Main 305 LG4

1986 Chevy El Camino

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987 Chevy El Camino

Gen 1 L03 Small Block Chevy

1996-2002 Chevy Express 1500

Vortec L30 Small Block Chevy

1996-2002 Chevy Express 2500

Vortec L30 Small Block Chevy

1977-1982 Chevy G10

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy G10

2-Piece Rear Main 305 LG4

1986 Chevy G10

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1995 Chevy G10

Gen 1 L03 Small Block Chevy

1977-1982 Chevy G20

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy G20

2-Piece Rear Main 305 LG4

1986 Chevy G20

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1995 Chevy G20

Gen 1 L03 Small Block Chevy

1978-1979 Chevy G30

Gen 1 LG3 Small Block Chevy

1982 Chevy G30

Gen 1 LG3 Small Block Chevy

1985 Chevy G30

2-Piece Rear Main 305 LG4

1977-1982 Chevy Impala

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy Impala

2-Piece Rear Main 305 LG4

1977-1979 Chevy K10

Gen 1 LG3 Small Block Chevy

1981-1982 Chevy K10

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy K10

2-Piece Rear Main 305 LG4

1986 Chevy K10

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1976-1982 Chevy K10 Suburban

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy K10 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy K10 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1988-1995 Chevy K1500

Gen 1 L03 Small Block Chevy

1996-1999 Chevy K1500

Vortec L30 Small Block Chevy

1977-1978 Chevy K20

Gen 1 LG3 Small Block Chevy

1980 Chevy K20

Gen 1 LG3 Small Block Chevy

1985 Chevy K20

2-Piece Rear Main 305 LG4

1977-1978 Chevy K20 Suburban

Gen 1 LG3 Small Block Chevy

1985 Chevy K20 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy K20 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1988-1995 Chevy K2500

Gen 1 L03 Small Block Chevy

1997-1998 Chevy K2500

Vortec L30 Small Block Chevy

1977-1981 Chevy K5 Blazer

Gen 1 LG3 Small Block Chevy

1982-1985 Chevy K5 Blazer

2-Piece Rear Main 305 LG4

1986 Chevy K5 Blazer

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1976 Chevy Laguna

Gen 1 LG3 Small Block Chevy

1976-1982 Chevy Malibu

Gen 1 LG3 Small Block Chevy

1983 Chevy Malibu

2-Piece Rear Main 305 LG4

1976-1977 Chevy Monte Carlo

Gen 1 LG3 Small Block Chevy

1978-1985 Chevy Monte Carlo

2-Piece Rear Main 305 LG4

1986 Chevy Monte Carlo

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1988 Chevy Monte Carlo

Gen 1 L03 Small Block Chevy

1976-1979 Chevy Monza

Gen 1 LG3 Small Block Chevy

1976-1979 Chevy Nova

Gen 1 LG3 Small Block Chevy

1987 Chevy R10

Gen 1 L03 Small Block Chevy

1987 Chevy R10 Suburban

Gen 1 L03 Small Block Chevy

1987 Chevy R20

Gen 1 L03 Small Block Chevy

1987 Chevy V10

Gen 1 L03 Small Block Chevy

1963-1965 GMC 1000 Series

Gen 1 LE9 Small Block Chevy

1970-1973 GMC Jimmy

Gen 1 LE9 Small Block Chevy

1978-1982 GMC Jimmy

Gen 1 LE9 Small Block Chevy

1987 GMC Jimmy

Gen 1 L03 Small Block Chevy

1960-1966 GMC Suburban

Gen 1 L69 Small Block Chevy

1975-1977 Oldsmobile Starfire

305 Chevy Small Block V8

1985 Pontiac Firebird

2-Piece Rear Main 305 LB9
2-Piece Rear Main 305 LG4
Gen 1 L69 Small Block Chevy