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PROBE FORGED PISTONS & RINGS 4.060 BORE SIZE FOR SBC 350 ENGINES, -12.5cc DISH TOP FOR USE WITH 5.7 BUSHED OR PRESS FIT RODS. .060 OVER
Our PROBE Forged pistons are custom designed with an increase in compression height. This has many advantages. Here are a few facts about compression height and deck height.
These pistons are NEW/OLD stock from a few years back. We had changed our line of pistons over to Wiseco and had about 15 sets of the Probe pistons left over. The boxes may be dusty and disheveled looking, but the pistons are in perfect condition. There may also be a few sets that were returned due to customers making a wrong size purchase. We have discounted these pistons well below the normal price to compensate for these issues.
Our custom made Probe forged pistons are made from 2618 aircraft alloy. We find this alloy to be much more suitable for high performance engines than the common 4032 forged alloy. You will usually see the higher end pistons on the market using 2618 aircraft alloy.
Why go with 2618 forged pistons? If you encounter certain tuning issues, detonation is highly probable, and its effects can cause severe damage to your engine. The 2618 forged piston is able to withstand the damaging effects from detonation to a higher degree than the lower cost 4032 forged pistons, especially non-forged hypereutectic pistons such as Speed Pro or Keith Black, and many others.
Our Probe forged pistons will clear most any valve size on the market with ease even with the use of large lift cams.
These pistons are also suitable for use with nitrous systems up to approx. 250hp and superchargers up to approx. 15 to 17lbs of boost. For the slight increase in cost, this is the best value on the market.
PROBE FULLY FORGED DISH TOP PISTONS RATED AT 700+ HP. THIS SALE IS FOR A FULL SET OF PISTONS AND RINGS. PROBE PISTONS ARE 100% MANUFACTURED IN THE USA. THEY ARE ONE OF THE HIGHEST RATED PISTONS IN THE COUNTRY.
These pistons are for use with full floating bushed rods, or press fit. The compression height is 1.562 2 valve reliefs. Ring groove size 5/64 5/64 3/16. File fit Rings included. See full piston specs below.
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