SCAT/WISECO 12.5CC Pistons Forged Stroker Crank 2PC 4.560 4.250

( Brand: Scat/wiseco ), ( Manufacturer Part Number: 12.5CC ), ( Part Type: Piston Crank )

Review SCAT/WISECO Chevy Pistons 4.560 Rms Bore 2pc Assembly Forged Bbc Stroker Crank 4.250 Stroke fits 250

These 12.5cc Chevy pistons are a high-performance upgrade for your BBC (Big Block Chevy) engine, specifically designed for use with a Scat stroker crankshaft measuring 4.250 inches. The pistons are forged by Wiseco, a renowned manufacturer known for their quality and reliability in the automotive performance industry.

The 12.5cc displacement size provides a significant power increase over stock pistons, making these an excellent choice for those looking to boost the horsepower and torque output of their engine. With a pin diameter of 4.560 inches, these pistons are designed to fit perfectly with your Scat stroker crankshaft, ensuring smooth operation and reduced vibration.

The pistons are forged from high-quality aluminum alloy, which provides superior strength and durability. This means they can withstand the high pressures and heat generated during high-performance driving, reducing the risk of failure and ensuring long-lasting performance.

The piston skirts are honed to a precise finish, ensuring a tight seal in the cylinder bore for improved combustion efficiency and reduced engine knock. The piston tops are also designed with a dual-composite crown, which reduces weight while maintaining strength, further improving engine performance.

Included in the set are two pistons, ensuring you have a spare for peace of mind during installation or maintenance. These pistons are a great upgrade for any high-performance Chevy engine and are a must-have for anyone looking to take their car to the next level.

1. High-quality materials: Wiseco pistons are known for their forged construction, which makes them strong and durable. This set is specifically designed for BBW SCAT stroker cranks, ensuring a perfect fit and optimal performance.

2. Increased displacement: The 12.5cc piston size will provide more power and torque, making your engine more potent than the stock one. This is particularly beneficial for high-performance applications.

3. Enhanced reliability: Forged pistons are less likely to fail due to their increased strength and rigidity compared to cast pistons. This means less downtime and maintenance for your engine.

4. Improved thermal efficiency: The pistons' design may promote better heat dissipation, reducing the risk of engine overheating and prolonging the engine's lifespan.

1. Cost: High-performance parts like these are not cheap. The price of this set may be prohibitive for some buyers.

2. Complex installation: Installing these pistons and crank requires specialized tools and knowledge. It's recommended to hire a professional mechanic to ensure the installation is done correctly and safely.

3. Potential engine modification: Since this set is intended for upgrading existing engines, it may require other modifications, such as a performance camshaft or upgraded valvetrain components, to fully maximize its potential.

If you're looking to upgrade your engine with a significant power increase, the 12.5cc Chevy pistons 4.560 2pc Wiseco forged BBW SCAT stroker crank 4.250 set is an excellent choice. Their high-quality construction, increased displacement, and enhanced reliability make them suitable for high-performance applications. However, the high cost and complex installation process are important considerations that need to be weighed against your budget and expertise. If you're willing to invest in the parts and have the necessary resources to install them correctly, this set could be a valuable addition to your engine build.

Details:

Few offer discounts on shipping such as this. Ordinary I beam rods weigh much less and are not suitable for use in a high performance bbc assembly that has been stroked to a those are normally in the price range.

385 wrist pin full floating connecting rod material forged 4340 steel pistons Wiseco fully forged high performance piston size 4. They are made from forged 4340 alloy, and have huge 7 16's genuine APR cap screws. Warning the flex plate and crank have a dowel pin hole. Scat pro competition rods Scat pro competition series extreme duty I beam rods.

All rods regardless of brand should be checked for sizing on a sunken machine, and corrected if needed. We find our assembly a much better value than most others on the market. They usually have a pale grey color to them, as they are not coated, and will rust quickly actual CID dome volume Sufi provable flex plate.

FedEx is our primary shipper. These rods do have a slightly shorter bolt in them.

This crank is suitable for use up to approx.

385 I beam competition rods have 12 point APR 8740 cap screws. 385compression height in Many drag strips require this on engines producing high horse power levels.

The beam rods have a 700 hp rating. Our hours are 8am 8pm eastern.

The is reminiscent of a steel billet rod. Race balancing this is for those that want the engine to operate virtually vibration free at high rpm.

Or high performance street strip car, trucks, marine and some racing applications. Rpm that is in the 6500 or less range will not be an issue for this rod at all. The alloy is the exact same as the Scat beam rods, and the bolts are true APR 8740's.

The only notable aspect of this rod that is different besides its configuration is the rod bolt length . This is recommended on any crankshaft, regardless of brand or cost.

10am 3pm on sat.

Blocks with decks cut down this low are prone to cracking. We include a balance sheet with your setup. Mahler rings included.

Cleft is what we now use in all of our engines. Crank polishing extends bearing life, reduces oil temp, frees up a slight amount of average horsepower.

The trade off on this shorter bolt is a reduced pull apart rating, which is only significant on extreme rpm applications. In house on cwt balance. These rods are far from ordinary.

This does not mean that the pistons are for racing only. 5, 4, and 5 ABC engines, and all of our bbc 505 engines.

The 2618 forged piston is able to withstand the effects from detonation to a higher degree than the lower cost 4032 forged pistons, especially non forged hyper eutectic pistons such as speed pro or Keith black. 790 rather than at 9.

It is preferable that you use the original package that the product was received in. All of the info is 100 positive. These rods have much better clearance than abeam rod.

The Sufi damper is also much better in appearance, and will last longer than a non Sufi damper. The thicker ring land also makes a better heat sink.

They are all bottom end related and that's an area worth investing a few more dollars into, in our opinion, especially if you re planning on running long and or hard. A few more facts about our custom midweek pistons and deck height . 350weight without pin approx. It is best to clean up the deck surface with a simple.

670gwrist pin diameter in std wrist pin length in wrist pin weight 157 pin lock type spiraling set 683 60top ring groove size 1 16 in. Please for rates.

The standard balance job that is included with this assembly at no extra charge is certainly sufficient. 010 cut, and achieve zero deck ht.

The critical sizing of both ends of the rods is performed on a sunken machine in the USA by Scat industries. Bbc big block Chevy 555 stroker rotating assembly.

King bearings.

Why go with 2618 forged pistons if you encounter certain tuning issues, detonation is highly probable, and it can cause severe damage to your engine. This flex plate will resist cracking and war page, leading to imbalance in the engine. Those using catalog pistons can't leave the deck as thick because it will allow the piston to sit too far down in the block, killing the quench squish zone.

With a race balance job, all pistons and rods are match weighed to within 2 10's of a gram or less, and the final balance is brought down to around 1 gram plus or minus.

The Scat competition rods that come with this assembly are sufficient for most street rod uses, but the Scat beam rods will most likely offer more security against rod breakage under hard use. They may be marketed under several names, or no name at all, are often painted black, and they are of very low quality. 5cc dome top pistons. Our Scat 6.

280 connecting rods genuine Scat connecting rod type pro stock I beam with APR cap screws.

And that is not bad at all. 250 stroke for 2 pc.

They are far superior to conventional I beam rods. The cost is slightly higher, but it provides a much better value considering the benefits. 015 thicker than most other pistons on the market.

The critical sizing of both ends of the rods is performed on a sunken machine in the USA by Scat industries. If the deck is not warped and has a decent finish, this is somewhat acceptable but not recommended. The picture below is a generic file photo of a Scat crankshaft.

Even without such power adders, this crank offers great protection under the most severe conditions. Ring tension standard ring material ductile iron cast stainless mailman bearings king Si series rod bearings king Si series balance ext. You should never use an oem flex plate on an engine.

For the slight increase in cost, this setup is the best value on the market.

010 or more, then there are plenty of head gaskets available on the market that are. However, leaving the block at stock deck height and using our pistons would only put the piston in the hole by. This is the perfect size dome to use with most open chamber bbc heads on the market, resulting in compression in the low to mid 10's with premium pump gas engines for use on the street or strip.

Connecting rod size 6. Flywheels also available.

Scat beam rods recommended for those running hard. We found no two flex plates to be remotely close in this respect. 5 cc deck thickness in.

The weight of these rods is nearly identical to the Scat beam rods. Take notice of the design of these rods.

Our profit is based on sheer volume, with a very low markup. Item code vendor namesake custom pistons race series for street strip use product model custom built for sponging displacement cu. They use one plate out of a batch of plates, assuming they are all the same. A note from skip white, company president.

We find this rod to be equal in weight to Scat or eagle bbc beam rods. This allowed the rod body to be designed to offer much greater cam clearance. Of our pistons is also listed in the ad. Oil ring groove size 3 16 in.

Every part in this assembly meets our satisfaction.

Bearing companies claim that cranks that have better finishes on the journals will survive the break in better, and have much longer bearing life. Damper pro race brand flex plate 168 tooth HD Sufi approval, 153 tooth is available. When pistons encounter the effects of severe detonation, it is not uncommon to see the ring land above the top ring broken off. Engine big block v8material2618 aircraft alloy base bore in 4.

Should your block have had a large amount of surface removed in the past, and if your pistons are around. So, worry not about pistons being.

Scat crankshaft, Scat competition series rods, Wiseco forged pistons, plasma Molly rings.

Block requirements standard deck height 9.

Forged pistons are far superior to cast or hyper eutectic pistons in many ways, especially our custom made Wiseco pistons made from 2618 aircraft alloy.

The competition series rods are made from 4340 alloy. Cam to rod clearance is greatly improved. 280top type dome net head volume cc thicker than normal.

The competition series Scat rod is a much better designed rod than the typical I beam rods that most other use. All this may sound like nothing more than a sales pitch, and I suppose it is, but heed our warning about the low quality dampers on the market.

These rods do look impressive. For the specific breakdown of the parts in this assembly, see the detailed below.

Another good feature about our pistons having a taller compression height is that the ring land above the top ring is much stronger by being. The fatigue life of the 4340 crank over the cast nodular is also greatly extended. This is a somewhat labor intensive procedure, and is not required but the feel of an absolute vibration free engine at high rpm is desirable by many.

They normally offer three levels of pistons, starting with the pro true street version made with 4032 forged alloy. 250rod length in 6.

010 or less. Top ring land in second ring land in bottom ring land in quantity 8. Sufi provable flex plate included.

Rear main seal blocks damper and HD flex plate included. Cleft bearings we find the cleft bearings to be a somewhat better product overall. Forged pistons are an absolute must whether you're on the street or strip.

Pro race brand damper, Sufi approval flex plate, included. 560 bore size 4.

Our pistons are designed to sit flush at 9. They are not sufficient to handle 400 hp. These pistons are 100 suitable for street or strip use.

They are clearances well for most stroker applications, but as a rule, do check for clearance before finalizing your build. It is also highly desirable to keep the deck as thick as possible. Leaving the deck thick on your block makes for a stronger block that resists flexing and also runs cooler as the deck has a lot to do with the dissipation of heat.

Manual trans.

560stroke in 4. The shipping quoted in this ad is only for the 48 continental USA.

Scat 4340 forged crank the forged Scat crank has a rating of 800 hp. The cwt 5500 is the ultimate for precision balancing.

King main and rod bearings are included. 775, it is our recommendation that you find another block. Some of the benefits of the Scat crankshaft supplied with this assembly the material used in this crankshaft is manufactured from an exclusive space age material that was designed for high strength and fatigue resistance.

The APR 7 16's cap screws have been installed by Scat industries prior to final sizing, in la. These rods are excellent for those wanting the extra security needed in high horse power applications.

Wiseco racing pistons Wiseco forged pistons are designed for heavy duty towing, etc hp.

As mentioned above, this is not your ordinary I beam rod.

005 out of the block, this is not necessarily reason to worry as your common head gaskets are.

5cc dome top piston material forged 2618 aircraft alloy piston rings Hastings high performance ring size 16 ring fit Mahler file fit.

Many rotating assemblies we see are not using the most suitable parts. Nos, blowers, turbos, are not an issue with this crank. If you're building a pump gas street rod, your rpm range will most likely not exceed 62 and that is not a problem for these rods in the least. These pistons are also suitable for use with notorious or blower setups, but for those not running forced induction, the forged pistons offer very high reliability.

It's located at the top right hand side of this page. Sufi damper offers an extreme level of safety against breakage, and is very resistant against slippage of the elastic damping material. Crankshaft genuine Scat crankshaft stroke 4.

Forged pistons are far stronger than hyper eutectic cast pistons. This also includes the premium hp bearings. Be sure of the compression range and bore size you want before purchasing.

These rods are run in engines that not only produce high horse power levels but also run at continuous speeds in circle track events. One good telltale in identifying a cheap flex plate is the lack of welding on each side where the plate mates to the ring gear.

800 available in 1 pc and 2 pc rms, various bore sizes, and various size dome and flat top pistons. The flex plate was aligned to the crank when we balanced the assembly, and must be installed the same way.

The actual body of this rod weighs within a few grams of the Scat beam rods, 800 gm, certain proof that they are very strong rods. Our custom made Wiseco pistons are closer in comparison to the middle version as they are made using the 2618 aircraft alloy.

The APR 2000 rod bolts also torque at a higher number and this increased clamping force is also a factor in keeping the big end of the rod stable. The Scat crankshafts are the best way to build a strong bottom end for street rods, dirt and circle track racing, and drag strip racing. Tech support is usually not available until around 9am 7pm Mon Fri.

If you're in doubt about this, do an internet search on the subject. Our custom made Wiseco forged pistons are made from 2618 aircraft alloy, and are capable of handling far more hp than a cast or hyper eutectic piston. Then your pistons will sit dead flush in the block and this is very desirable.

These cranks are far superior to any of the other low cost cranks on the market. When a rod bolt fails during high rpm, total engine destruction is usually the result. A true all out racing piston would not be suitable for street use for many reasons, but these pistons are perfectly designed for use on the street, as well as medium to upper level drag racing.

Ours are welded on both sides, and are approximately 30 thousandths thicker than an oem plate, and are either zinc chromed or black powder coated. This is a generic term, referring to their ability to be used in certain high performance applications as well as for street rod use. 250 crankshaft material cast nodular journal diameter std mains rear main seal 2 pc rms compression height 1.

The 2618 forged piston is far stronger than hyper eutectic pistons. If the pistons are too far out of the block beyond.

The bearings are included with this assembly. Second ring groove size 1 16 in.

Extends engine life, and frees up a few more horse power.

part #: 125cc price

• $2395.00

specifications cranshafengin:

• for models: 250
• for makes: Chevy
• brand: Scat/wiseco
• mpn: 12.5cc
• part type: Piston Crank

Seller cranshafengin:

• city: Kingsport, Tennessee
• zipcode: 37660

Returns cranshafengin:

• details: MUST call before return is sent back. If you do not call first, return will be refused and returned to sender. You may call M-F 8am-8am EST 423-722-5152
• paid by: Buyer
• policy: returns accepted
• time: 14 Days
• type: Money Back

Payments cranshafengin:

• PersonalCheck
• PayPal
• MOCC

Shipping cranshafengin:

• cost: $85.0
• handling: 4 days
• type: Flat

Offer cranshafengin:

• Started: August 18, 2015, 12:33 am
• quantity: 500
• # Sold: 0
• # bids: 0
• best offer: false

General cranshafengin:

• in stock: Yes
• Motors > Parts & Accessories > Car & Truck Parts > Engines & Components > Crankshafts & Parts
• condition: New

Ratings:

1. Great product at a great price, thanks. 08-18-15
2. Excellent job. Will be buying more from you. Fast shipper. Thanks 08-18-15
3. Good expirance. great deal. 08-18-15
4. excellent service for international buyers 08-18-15
5. you buy the wires and they throw in the distributor! what a deal. works great. 08-18-15

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