Manley
Pistons
Big
Block Chevrolet
4.500" Inverted
Dome
 2618
high strength material
Lightweight
design
Full
banded skirt
for increased
skirt stability
Perfect
for
drag
race
applications
Pressure
balance
groove
Tool
steel
pin
included
Spiral
locks
included
Pin
fitting
included
Suitable
for
superchargers,
turbos,
nitrous
Part
#
|
Bore
Size
|
Rod
Length
|
Stroke
|
Compression
Distance
|
Piston
wt/gms
|
Dome
Vol.
|
Piston
Ring Set
|
Price |
696400-8
|
4.500"
|
6.135"
|
4.000"
|
1.645"
|
689 |
-10cc |
46450-8
|
$644.00 |
696430-8
|
4.530"
|
6.135"
|
4.000"
|
1.645"
|
701 |
-10cc |
46453-8
|
$644.00 |
696460-8
|
4.560"
|
6.135"
|
4.000"
|
1.645"
|
719 |
-10cc |
46456-8
|
$644.00 |
696480-8
|
4.600"
|
6.135"
|
4.000"
|
1.645"
|
723 |
-10cc |
46460-8
|
$644.00 |
696500-8
|
4.500"
|
6.385"
|
4.000"
|
1.395"
|
626 |
-10cc |
46450-8
|
$684.00 |
696530-8
|
4.530"
|
6.385"
|
4.000"
|
1.395"
|
642 |
-10cc |
46453-8
|
$684.00 |
696560-8
|
4.560"
|
6.385"
|
4.000"
|
1.395"
|
665 |
-10cc |
46456-8
|
$684.00 |
696580-8
|
4.600"
|
6.385"
|
4.000"
|
1.395"
|
669 |
-10cc |
46460-8
|
$684.00 |
696600-8
|
4.500"
|
6.135"
|
4.250"
|
1.520"
|
652 |
-20cc |
46450-8
|
$644.00 |
696630-8
|
4.530"
|
6.135"
|
4.250"
|
1.520"
|
665 |
-20cc |
46453-8
|
$644.00 |
696660-8
|
4.560"
|
6.135"
|
4.250"
|
1.520"
|
679 |
-20cc |
46456-8
|
$644.00 |
696680-8
|
4.600"
|
6.135"
|
4.250"
|
1.520"
|
683 |
-20cc |
46460-8
|
$644.00 |
696700-8
|
4.500"
|
6.385"
|
4.250"
|
1.270"
|
612 |
-20cc |
46450-8
|
$684.00 |
696730-8
|
4.530"
|
6.385"
|
4.250"
|
1.270"
|
621 |
-20cc |
46453-8
|
$684.00 |
696760-8
|
4.560"
|
6.385"
|
4.250"
|
1.270"
|
633 |
-20cc |
46456-8
|
$684.00 |
696780-8
|
4.600"
|
6.385"
|
4.250"
|
1.270"
|
637 |
-20cc |
46460-8
|
$684.00 |
The root diameter of the
ring grooves accomodates Manley
rings and others which have
the following radial thickness
Top: 193" - 2nd: .195" - Oil: .190"
Common
Features
Top Ring: .1/16",
.300" down
Second
Ring: 1/16"
Oil
Ring: 3/16"
Intake Valve Notch: .300"
Exhaust Valve: +.090"
Pin Included: tool steel P/N 42220 (.150" wall,
147 grams, 2.930" long, .990 dia.)
Spiral
Locks: P/N
42271
- .042" wide
(4
per
piston)
Recommended
Piston Clearance: .006" measured 1.100" from bottom
of the oil ring |
Compression
Ratio Chart
Bore
|
Stroke
|
112cc
|
1118cc
|
124cc
|
4.500"
|
4.000"
|
8.6:1 |
8.3:1 |
8.0:1 |
4.530
|
4.000
|
8.7:1 |
8.4:1 |
8.1:1 |
4.560
|
4.000
|
8.8:1 |
8.5:1 |
8.2:1 |
4.600
|
4.000
|
8.9:1 |
8.6:1 |
8.3:1 |
4.500
|
4.250
|
8.6:1 |
8.3:1 |
8.0:1 |
4.530
|
4.250
|
8.7:1 |
8.4:1 |
8.1:1 |
4.560
|
4.250
|
8.8:1 |
8.5:1 |
8.2:1 |
4.600
|
4.250
|
8.9:1 |
8.6:1 |
8.3:1 |
All compression ratios
are calculated at
.010" deck clearance.
|
Pistons with 1.395" and
1.270" and shorter compression
distances REQUIRE and are
shipped with groove lick spacers
P/N 46402
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
|
