340 Pistons Chrysler Plymouth Dodge Mopar 340 Forged Pistons by Ross
Racing Pistons
ROSS Racing 340 piston sets are used in muscle car restorations, high performance and racing engines by serious
engine builders the world over. Available here are Plymouth Mopar Dodge 340 forged pistons manufactured by Ross Racing Pistons. The small block Mopar 340 has always been known as a high performance engine. On the street, drag strip, oval track and road racing circuits it has a winning tradition.Ross forged racing pistons are a great choice for cruising or high rpm racing applications.
Ross Racing Pistons 340 pistons combine light weight, high strength, precision machining and premium
materials. You can depend on Ross forged 340 piston sets for high horsepower, torque and reliability.
We offer these superb 340 forged pistons at very affordable prices for stock stroke applications as well as Mopar 340 416 stroker pistons. Buy the best Ross pistons here. We offer great discount pricing, knowledgeable tech assistance and fast shipping.
Ross Racing Pistons offers 340 pistons in both stocking and custom sets. If you do not see the exact piston specs you
want in a stocking piston, we will be happy to help you with a custom 340 piston design. Custom
340 pistons can be made for just about any application. Please
contact us and we will be happy to assist
you. We offer discounted pricing, even on custom pistons.
Ross Mopar Plymouth Dodge 340 Forged Piston
ROSS 340 piston sets
are balanced to plus or minus 2.5 grams throughout the set. The valve pockets are designed to handle most
aggressive camshaft applications up to .650 lift. The performance 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 just .004 piston skirt to cylinder wall clearance. These 340 pistons are available in flat top, dome top and dish top models.
Ross Racing Pistons A engine Small Block Mopar 340 Flat Top, Dome Top and Dish Top Piston Sets
Ross Chrysler Plymouth Dodge 340 Pistons and 340 416 Stroker Pistons
Ross 340 piston sets include:
Additional features, specifications and application notes:
-
Nitrous, can be used with systems rated up to 250 hp
-
Compression
ratio based on 64 cc heads, a .042" thick head gasket and piston .017" down from the deck at TDC
-
Ring grooves 1/16, 1/16, 3/16.
-
Can be used with Mopar open and closed chamber cylinder heads, Edelbrock and Indy heads EXCEPT for part # 99626 which is only for use with Mopar OEM chamber heads
-
Stock standard bore size is 4.040 these Ross 340 pistons are all .030 oversize
-
Stock 340 Crankshaft Stroke is 3.310
-
Stock 340 connecting rod length is 6.123
-
Stock 340 Piston pin size is 0.984 inches
-
C.R. = Compression Ratio
-
Wt. = Weight in grams
-
C.H. = Compression Height
|
| Bore |
Stroke |
Rod Length |
C.R. |
Wt. |
C.H. |
Pin Dia. |
Part # |
| 4.070 |
3.310 |
6.123 |
9.8
flat top |
521 |
1.804 |
0.984 |
ross
99625
$615.08 $547.42
 |
|
| 4.070 |
3.310 |
6.123 |
12.5
dome top |
568 |
1.804 |
0.984 |
ross
99626
$660.49 $587.84
|
Use only with Mopar OEM chamber type cylinder heads |
Ross Racing Pistons Mopar 340 416 Stroker Pistons
Using the below listed pistons with a 4 inch stroker crank builds an engine with a finished size of 416 cubic inches. We strongly recommend the use of the K1 Tech 4340 forged 340 stroker cranks listed here
|
| 4.070 |
4.000 |
6.123 |
9.5 dish top |
495 |
1.459 |
0.984 |
ross
99786
$660.49 $587.84
|
|
| 4.070 |
4.000 |
6.123 |
12.5
dome top |
513 |
1.459 |
0.984 |
ross
99788
$660.49 $587.84
|
|
Please feel free to use our compression ratio calculator to help you decide on the
piston specifications you want. Click here to use our compression ratio calculator
Additional Resources:
Ross
Chrysler 392 Forged Piston Sets
K1 SBM Connecting Rods
K1 Technologies Crankshafts Rods and Company Info
Eagle Small Block Mopar Crankshafts
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