LS1 Pistons Ross Racing Pistons LS1 Stroker Piston Kits
ROSS Chevy LS1 Pistons are used in high performance, street car, muscle car, hot rod, street rod and Chevrolet LS1 racing engines by knowledgeable
engine builders the world over. They combine light weight, high strength, precision
machining and premium materials to build a forged LS1 piston you can depend on for high horsepower,
torque, efficiency and reliability.
ROSS Chevy LS1 pistons include forced pin
oilers and double spirolox on all of their stocking pistons. Pistons are balanced to plus
or minus 2.5 grams throughout the set. The valve pockets are designed to handle most camshaft applications. The skirt
design allows the pistons to work properly under intense heat and tremendous side loads
without scuffing or splitting cylinder walls. Most normally aspirated pistons are designed
to operate at .004 piston skirt to cylinder wall clearance. Buy the Best, buy Ross LS1 piston kits here, great prices, service and quick shipping.
Ross Forged Chevy LS1 Pistons LS1 Stroker Piston and Piston Ring Kits
All of the Ross Racing Pistons LS1 LS2 LS6 LS7 forged piston sets listed below feature:
- Forged from 2618-T61 Aluminum for ultimate strength and fatigue resistance
- Wrist pins and pin fitting included
- Accumulator groove included
- Double pin oilers are force fed from the oil ring
- Large valve relief depths and diameters allow for high lift cams and oversized valves
- Piston sets are weight matched
- Pin lock removal grooves included to ease lock ring removal
- Fully CNC Machined
- Double spiral locks or wire locks included
- Piston ring set is included
Ross Pistons
Chevrolet LS1 LS2 Piston Sets and Chevy LS1 LS2 Stroker Pistons
- Stock LS1 LS6 bore size is 3.898 |
LS2 is 4.000 | LS7 is 4.125
-
Stock LS2 LS2 LS6 crankshaft stroke is 3.622
| Stock LS7 Stroke is 4.000
-
Block Height 9.240"
-
Stock Rod Length is 6.098 for LS1 LS2 LS6 | Stock LS7 Rod Length is 6.077
- Stock LS1 LS2 LS7 piston pin size is .945 | Stock LS7 pin size is .9252
- Most of these pistons are for use with aftermarket rod lengths of 6.125 with a .927 pin
-
Ring grooves are 1.5mm, 1.5mm, 3mm
- Compression based on .050 piston to head clearance (deck and gasket combined)
- The 4.000" stroker crankshaft with a 3.905 bore = 383 cubic inches
- The 4.000" stroker crankshaft with a 4.125 bore = 427 cubic inches
- The 4.000" stroker crankshaft with a 4.155 bore = 434 cubic inches
- FT = Flat Top
- DM=Dome Top
- RD=Reverse Dome Top
- CH = Compression Height This is the measurement from the centerline of the piston pin bore
to the top flat part of the piston
- Wt= Piston weight in grams
|
| Bore Size |
Crank
Stroke |
Rod
Length |
Pin Size |
CH |
Wt.
in
gms |
ccs |
type |
Comp
with
64cc
head |
Part # |
| 3.905 |
3.622 |
6.125 |
.927 |
1.299 |
435 |
-15.8 |
RD |
9.0-1 can be used with forced induction |
ross 99840
$916.8 $815.95
 |
|
| 3.905 |
3.622 |
6.098 |
.945 |
1.326 |
422 |
-4.0 |
FT |
10.0-1 |
ross 99838
$916.8 $815.95
|
|
| 3.905 |
3.622 |
6.125 |
.927 |
1.299 |
402 |
-4.0 |
FT |
10.7-1 |
ross 99839
$916.8 $815.95
|
|
| 3.905 |
4.000 |
6.125 |
.927 |
1.110 |
375 |
-9.0 |
RD |
10.7-1 |
ross 99837
$916.8 $815.95
|
|
| 4.125 |
4.000 |
6.125 |
.927 |
1.110 |
|
|
FT |
|
ross 99171
$984 $875.76
|
|
| 4.125 |
4.000 |
6.125 |
.927 |
1.110 |
445 |
-35 |
RD |
8.8-1 can be used with forced induction |
ross 99173
$984 $875.76
|
|
| 4.155 |
4.000 |
6.125 |
.927 |
1.110 |
|
|
FT |
|
ross 99172
$984 $875.76
|
|
| 4.155 |
4.000 |
6.125 |
.927 |
1.110 |
|
-36.5 |
RD |
8.8-1 can be used with forced induction |
ross 99174
$984 $875.76
|
|
Please feel free to use
our compression ratio calculator
If you do not see the exact piston specs you want in the above LS1 Chevy piston list,
we will be happy to help you with a custom LS1 piston set. Custom LS1 Chevy pistons can be made to your exact requirements. Please
and we will be happy to assist
you with a custom piston order. We offer discounted pricing, even on custom pistons so
please contact us for assistance with your custom piston needs and we will be happy to help.
Links to related performance parts sections of our website:
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