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PROBE FORGED PISTONS FOR SBC 383 ENGINES, -12CC DISH TOP FOR USE WITH 5.7 BUSHED OR PRESS FIT RODS.
*file photo
AS YOU CAN SEE IN OUR PICTURE ABOVE, THE PROBE DISH PISTON HAS 2 VALVE RELIEFS.
PROBE FULLY FORGED DISH TOP LOW EXPANSION PISTONS RATED AT 700+ HP THESE PISTONS ARE VERY RESISTANT TO THE DAMAGE CAUSED BY DETONATION COMPARED TO NON FORGED PISTONS. 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 5.7 full floating bushed rods, or press fit. The compression height is 1.425 -12cc DISH TOP WITH 2 VALVE RELIEFS. 4.060 BORE SIZE, RING GROOVE SIZE, 5/64 5/64 3/16
These Hastings ring sets have cromolly coated top rings. They include Hastings Flex-Vent oil control rings to eliminate blow-by, and cast-iron second groove rings with a reverse-twist taper face for reduced friction. These Hastings ring sets have plasma-moly coated top rings. Hastings Flex-Vent oil control rings to eliminate blow-by. This auction is for one full set of rings for a V-8 engine.
4.060 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16 Manufacturer: Hastings Mfg part #: 2M139-60 Hastings OE-quality piston rings are a perfect replacement for the stock or medium performance build up. Featuring Chrome moly ductile iron top rings, cast iron reverse taper second rings and Hastings famous Flex-vent oil control rings. Hastings ring sets feature standard ring end gaps for easy installation. Ring Specifications Bore Size Ring type Top Ring Second Ring Oil Ring Ring Tension 4.060 Pre fit 5/64 5/64 3/16 Std. Tension.
The Hastings rings are our choice on most of our streed rod buildups. We have never experianced a failure. As far as value with quality is concerned these are at the top of our list. We have various sizes available
The term, "low expansion" is in reference to the pistons ability to maintain size from cold to hot temp. This is very desirable for street operation. The Probe forged pistons will not have the so-called piston rattle commonly associated with many forged pistons. This is the exact type forged pistons many high performance factory cars use.
The Probe forged pistons are capable of handling far more hp than a cast or hypereutectic piston. You may ask why go with forged pistons. The answer is that should you encounter any tunning issues, detonation becomes an issue. Detonation can destroy your complete engine, block and all. Your carburation could become lean for whatever reason, and this is sure to create a detonation issue, timing to close to max performance, failing to reset timing for summer weather, or you accidentally put regular gas in the car, you'll not make it home most likely. Remember, your running a compression range that is border line acceptable for pump gas. The forged piston is going to resist the damage from detonation to a very high degree. The rings do not require file fitment. The weight of these pistons is approximately the same as most of your hypereutectic pistons on the market, and this is very important, as you can use these pistons with any of the cast iron or cast nodular steel cranks on the market. The target bobweight of these type cranks are designed to use this piston. If you have any questions as to if these pistons are compatible with your crankshaft, feel free to give us a call. Spiral locks are included for those using bushed rods. Press fit rods may be also be used.
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Item Code |
P3833F |
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Vendor Name |
Probe Industries |
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Product Type |
Pistons |
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Product Model |
Factory Performance Series - FPS |
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Engine Displacement (cu.in.) |
383 |
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Engine Family |
CHEVROLET - Small Block V8 |
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Material |
4032 Forged Aluminum |
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Base Bore (in) |
4.000 |
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Stroke (in) |
3.750 |
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Rod Length (in) |
5.700 |
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Compression Height (in) |
1.425 |
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Top Type |
Dish Top |
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Net Head Volume (cc) |
-12.0 |
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Deck Thickness (in) |
0.350 |
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Wrist Pin Diameter (in) |
0.927 |
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Wrist Pin Length (in) |
2.500 |
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Wrist Pin Weight (g) |
118 |
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Pin Lock Type |
Dbl Spiral |
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Ring Set # |
40564CP |
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Top Ring Groove Size |
5/64 in. |
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Second Ring Groove Size |
5/64 in. |
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Oil Ring Groove Size |
3/16 in. |
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Top Ring Land (in) |
0.255 |
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Second Ring Land (in) |
0.170 |
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Bottom Ring Land (in) |
0.090 |
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Quantity |
Sold in sets of 8. | | |
HASTINGS PLASMA MOLY RING SET INCLUDED. MOST OTHERS DO NOT INCLUDE THE RINGS. THESE ARE WITHOUT A DOUBT, THE BEST RING SET MADE FOR THESE PISTONS. THE COST IS MUCH HIGHER THAN THE TYPICAL CAST IRON RING SET. YOU SHOULD ALWAYS USE THE CHROMOLY TOP RING SET VS. CAST IRON.
These pistons are highly sutible for use with nitrous or blower setups, but for those not running forced induction, the forged pistons offer the best reliability and most importantly they are very resistant to the effects of detonation. The forged piston is far stronger than hypereutectic pistons. For the slight increase in cost, this setup is the best value on the market. There are many other benefits with forged pistons, such as the ability to withstand much higher engine temperatures. We would not even consider Keith Black, (KB) hypereutectic pistons due to the fact they are very prone to detonation in our opinion. If your in doubt about this, do a search on Google and decide for your self. Forged pistons are far superior to cast or hypereutectic pistons, this is a fact.
Note from our company president, Skip White
Using forged pistons vs non forged such as cast or hypereutectic is a very good upgrade to your engine, and would for sure increase the resale value should you ever decide to sell your car or truck, and may I mention bragging rights are well established. You can't imagine how easy it is for your engine to get out of tune and create a detonation issue, and non-forged pistons are very prone to destruction when this happens. I'm not just giving you a sales hype on this issue. If you had a dollar for every engine that has been destroyed from detonation in just the last year, you could retire ten times over. We see this happening all the time. You carb. can easily get out of whack, and run lean very easily, and this creates are a tremendous heat condition in the combustion chamber on a fully warmed engine at open throttle. If you were at full throttle and your electric fuel pump stopped working, just prior to the time the engine quit, your going to go extremely lean for a moment, and believe me when I tell you, this is often enough to destroy your engine. The conditions have to be just right for this to happen, but there are so many other factors also leading to detonation on a street rod engine. Having forged pistons will be your only hope should the conditions arise for detonation to occur. We have decided to sell nothing but forged pistons from now on, as I find it comforting to know, that my customers will have an engine that has a tremendous safeguard built into it.
We offer these pistons in flat or dish style, and most other bore sizes. See our other listings.
PLEASE GIVE US A CALL AT 423-722-5152 or 877-383-5152 FOR TECHNICAL INFO. OUR HOURS ARE 8-8 EASTERN.
PAYMENT AND SHIPPING DETAILS
WE OFFER GREAT DISCOUNTS ON SHIPPING. YOU ONLY PAY THE FULL SHIPPING FEE ON THE HIGHEST SHIPPING COST OF YOUR ITEMS, AND HALF PRICE SHIPPING ON ALL ADDITIONAL ITEMS. FEW OFFER DISCOUNTS ON SHIPPING SUCH AS THIS. EMAIL US USING THE "ASK THE SELLER A QUESTION" TAB IF YOU WOULD LIKE US TO CALCULATE YOUR SHIPPING COST ON MULTIPLE ITEM ORDERS. YOU MAY ALSO REQUEST AN INVOICE AT TIME OF CHECKOUT. IF YOU ARE UNABLE TO CONTACT US BY EMAIL PLEASE GIVE US A CALL AT 423-722-5152 FROM 8AM-8PM EASTERN TIME MON-FRI AND 10AM-3PM ON SAT. WE WILL ANSWER YOUR EMAIL WITHIN THE ONE BUSINESS DAY IN MOST CASES, SO KEEP SHOPPING AND PAY HALF PRICE SHIPPING ON ALL ADDITIONAL ITEMS. OUR CHECKOUT SYSTEM WILL AUTOMATICALLY CALCULATE YOUR SHIPPING DISCOUNT AT TIME OF PAYMENT, SO LONG AS YOU CONSOLIDATE YOUR PAYMENT.
If you checkout and start over, the auto calculator will not recognize the multiple purchases, and there will be no shipping discount. Should you decide to start purchasing again after checking out, you will need to contact us so we can calculate your shipping for you.
IF YOU ARE HAVING DIFFICULTY PAYING WITH PAYPAL, FEEL FREE TO GIVE US A CALL AT 423-722-5152 ASK FOR SARA, SABRINA, OR STACIE. SALES AND CUSTOMER SERVICE HOURS OF OPERATION ARE 8AM-8PM MON-FRI & 10AM-3PM SAT EASTERN TIME ZONE
FOR TECH SUPPORT, PLEASE USE THE "ASK SELLER A QUESTION TAB". IT'S LOCATED AT THE TOP RIGHT HAND SIDE OF THIS PAGE. YOU MAY ALSO CALL FOR TECH SUPPORT IF YOUR UNABLE TO EXPLAIN WHAT YOU NEED IN AN EMAIL. TECH SUPPORT IS USUALLY NOT AVAILABLE UNTIL AROUND 11AM-7PM MON-FRI
FedEx is our primary shipper. We are unable to ship to APO/FPO addresses. Help us ship your order promptly by including your physical address at checkout. If your order MUST be shipped to a PO BOX, please contact us by phone. Additional charges may apply. Below is a map representing the estimated delivery time to get to you from our location.
FedEx Home Delivery delivers Tuesday - Saturday. If a package leaves here on a Thursday, and you are in a 2 day delivery zone, your package will deliver to you on Saturday. If you are in a 3 day zone, and your package leaves on a Thursday, you will not receive it until Tuesday. Expedited shipping is available upon request for an additional fee. Please contact us for rates.
Hawaii and Alaska have a 6+ day estimated delivery time.
The shipping quoted in this ad is only for the 48 continental United States. If shipping to anywhere else, please give us a call or email us for quotes. The half price shipping on all additional items also only applies to items that are being shipped in the 48 continental United States. If you have any questions, you may give Sara, Sabrina, or Stacie a call at 423-722-5152
| Pay with your credit card through PayPal, or if having difficulty feel free to call us at 423-722-5152 or toll free at 877-383-5152 |
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