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Probe SRS Forged Pistons Mopar Dodge Plymouth Chrysler 360

Probe forged pistons for small block Mopar 360 standard and stroker engines are a modern high performance design. Advances in CNC machine capability and the utilization of a "clean sheet of paper" method of manufacturing design has allowed Probe to create a forged piston line that is arguably a work of art. Probe's method of machining wrist pin bores provides the most accurate pin bore imaginable. Probe Forged Mopar 360 Pistons also feature the latest design innovations in ring land technology. The top ring land features radial anti-detonation grooves. These grooves knock the peaks off shock waves within the cylinder, reducing the propensity to detonate. The second ring land features our pressure equalization channel, which is a shaped channel that works by equalizing the pressure seen between the top and second ring with the pressure in the combustion chamber. This feature enhances ring seal, improving power, engine life and fuel economy. The Mopar 360 and 408 stroker pistons listed below all incorporate the advanced design of the current Probe Ind. technology.

In the past all pistons featured cam ground piston skirts to achieve the shape required to work in an engine. As with most things computer technology has provided us with the ability to improve upon this technique. Probe Racing Components is the recipient the newest CNC technology available to achieve the most accurate piston skirt designs and finishes in the industry. Further a complete "rethink" of the tooling and fixtures have allowed Probe to eliminate the variations caused by multiple setups. This all adds up to a better performing, stronger piston at a reasonable price.

Probe Sportsman Race Series (SRS) Pistons

Probe SRS Forged Pistons are designed for performance and race applications where a strong, lightweight forged piston is an advantage. These full-featured pistons are extremely popular for use in street, street strip, muscle cars, hot rods, street rods and most racing combinations.

  • Forged of 2618 t-61 Aluminum alloy for the ultimate strength and fatigue resistance.
  • Light weight forging designs for quick revs and power.
  • Tight piston to wall clearance design for better ring seal and less noise.
  • Fully CNC machined domes and valve reliefs for perfect fit.
  • Radial Anti Detonation Grooves reduce detonation by clipping pressure spikes.
  • Pressure Equalization Channel enhances ring seal, making more power and increasing fuel economy.
  • Full floated lightweight wrist pins and double spiro locks for durability.
  • Narrow piston rings for the ultimate in power.
  • These pistons will work with standard 360 and Magnum 5.9L 360 engines

Click on the part number below for pricing or to order. Doing this will give you the option to enter the item into our shopping cart system.

Mopar 360 Flat Top Pistons Mopar 5.9L Magnum Standard Stroke and 4" Stroker 408 Pistons

Compression Ratio computed with .010 deck and .038 head gasket (weights and compression ratios are approximate) Pistons use 1/16", 1/16", 3/16" Ring Grooves, 3.58" is the stock 360 stroke length Compression Ratio w/head chamber of:      
Part Number Bore Size Crank Stroke Rod Length Comp
Height
cc's 55cc 60cc 65cc 70cc Gram
wt.
Pin Dia.
12346-030 4.030 3.580 6.123 1.664 -5.5 11.29 10.62 10.04 9.52 476 .984
12346-040 4.040 3.580 6.123 1.664 -5.5 11.33 10.66 10.08 9.56 482 .984
Stroker Flat Top Pistons
13746-030 4.030 4.000 6.123 1.476 -5.5 12.51 11.76 11.11 10.53 460 .984
13746-040 4.040 4.000 6.123 1.476 -5.5 12.55 11.81 11.15 10.57 466 .984

Mopar 5.9L Magnum and Mopar 360 Dish Top Pistons Standard Stroke and 4" Stroker 408 Pistons

12351-030 4.030 3.580 6.123 1.664 -14.5 10.03 9.51 9.04 8.63 476 .984
12351-040 4.040 3.580 6.123 1.664 -14.5 10.07 9.55 9.08 8.66 482 .984
Stroker Dish Top Pistons
13744-030 4.030 4.000 6.123 1.476 -17.5 10.72 10.18 9.69 9.25 476 .984
13744-040 4.040 4.000 6.123 1.476 -17.5 10.77 10.22 9.73 9.29 482 .984

Links to other related pages:

Small Block Mopar H Beam Connecting Rods K1

Probe Forged Pistons for Big Block Mopars

Probe Industries General Info Page

Ross Forged Pistons

All Piston Listings

Custom Pistons

Clevite Rod and Main Bearings