Manley
Pistons
Small
Block Chevrolet
4" Bore - Flat
Top - 23° Head
 MS-75
high silicon material
Famous
Manley skirt profile
for smooth cylinder
wall compatability
Part
#
|
Bore
Size
|
Application
|
Rod
Length
|
Stroke
|
Compression
Distance
|
Weight
|
Ring
Set
|
Price |
49423-8 |
4.030" |
4" SB Chevy |
5.700" |
3.480" |
1.560" |
484 |
46353-8 |
$447.20 |
49424-8 |
4.040 |
4" SB
Chevy |
5.700" |
3.480" |
1.560" |
485 |
46354-8 |
$447.20 |
49426-8 |
4.060 |
4" SB
Chevy |
5.700" |
3.480" |
1.560" |
499 |
46356-8 |
$447.20 |
Above
pistons also fit engines
with
3.750" bstroke and 5.565" 400
type connecting rods |
49443-8 |
4.030" |
4" SB
Chevy |
6.000" |
3.480" |
1.260" |
419 |
46353-8 |
$447.20 |
49444-8 |
4.040 |
4" SB
Chevy |
6.000" |
3.480" |
1.260" |
420 |
46354-8 |
$447.20 |
49446-8 |
4.060 |
4" SB
Chevy |
6.000" |
3.480" |
1.260 |
422 |
46356-8 |
$447.20 |
49453-8 |
4.030 |
4" SB
Chevy |
5.700" |
3.750" |
1.425" |
454 |
46353-8 |
$447.20 |
49473-8 |
4.030 |
4" SB
Chevy |
6.000" |
3.750" |
1.125" |
403 |
46353-8 |
$472.80 |
The root diameter of the
ring grooves accomodates Manley
rings and others which have
the following radial thickness
Top: 183" - 2nd: .183" - Oil: .190"
Blank Forging Part # |
Bore Range |
Description |
Valve Angle |
Wrist Pin Length |
49000-8 |
4.000" - 4.155" |
SB CHevy & Ford Flat
Top |
21° -
23° |
2.500" |
Common
Features
Dome Volume: -3.5cc
Compression Ratio: 10:1
w/ 64cc & 3.48" Stroke
Top Ring: .1/16",
.175" down
Second
Ring: 1/16"
Oil
Ring: 3/16"
Valve
Notches: .240" Int.,
.230" exh
Maximum
Fly Cut: .300" int.,
.280" exh
Max.
Valve Sizes: 2.080" int.,
1.600" exh
Valve
Angle: 22°
Pin
Included:
P/N
42209 w/ .150" wall
Spiral
Locks: P/N
42296 .072" wide
Recommended
Piston Clearance: .006" measured 1.100" from bottom
of the oil ring
Forgings
2618
alloy for maximum high temperature
strength and fatigue resistance.
4032
alloy for moderate
horsepower street
applications.
Attributes
"Contour
forgings" provide the
optimum balance between strength
and weight with no grain-interrupting
internal milling.
Proprietary
multi-step top ring
groove machining process
assured optimum control
of the groove's size,
geomerty, flatness
and finish.
ll
final turning
is performed
in one fixturing
resulting
in the complete
squareness
of rings to
the cylinder
wall.
Federal
Form-Scan
guaging
validates
ideal
skirt
indexing
to
pinhole
and
skirt-to-skirt
polarity.
Value
- added features such as
a pressure balance groove
included in all series
Precise
pinhole machining
results in an exact
compression distance
as well as precise
lock ring grooce
spacing, size and
concentricity.
The
results...
Manley's "Platimun Series" pistons
provide trouble free installation,
excellent rliability and are
unsurpassed by the best the
competition has to offer in
producing maximum hoursepower
for you application
Call
1-877-354-3812 to get
your part numbers and
prices today
|
