0.006" is very loose for a 85.5 mm bore and a 2618 piston. There are some aftermarket forged 2618 pistons that require 0.005-inch of piston-to-wall clearance can be somewhat noisy during warmup. manufacturer of forged pistons for race cars, restoration, tractor, experimental, sell rods, rings, wrist pins, gaskets, etc. The pistons have a V-rib design for light weight, strength, and maximum piston cooling. I cannot seem to find an appropriate dished piston (trying to keep compression down for 89 octane) in the 4032 alloy, which I also read was the better choice for non-racing & non-boost applications. Copyright © 2018 Competition Products All rights reserved. They’re 100% made in the USA and precision machined from forged 2618 aluminum. Ive done a little research and Icon is a branch off of KB pistons, thats all i … Find many great new & used options and get the best deals for Icon 2618 Forged Pistons .040 SBC SET at the best online prices at eBay! Our selection of Icon pistons will cover nearly every engine build from 300 horsepower pump gas street engines to all out performance race engine applications. Our selection of Icon pistons will cover nearly every engine build from 300 horsepower pump gas street engines to all out performance race engine applications. Each Icon piston is forged from high-strength, heat treated, 2618 aluminum alloy. Shop over 1600 different piston part options for domestic V8 engines today. Race proven quality pistons forged from 2618 aluminum alloy (the 2 barrel pistons are made form 4032) Ring grooves machined for light-weight, low-drag racing ring packs; Asymmetrical valve pockets; Lateral gas ports for improved sealing, generating improved horsepower; Precision milling for … CNC-Motorsports offers the best selection of forged Icon Pistons. Enter Summit Racing’s new Pro LS forged pistons for Gen. 3 and 4 LS car and Vortec truck engines. 2618 aluminum has a lower silicon content than 4032 and is better suited for engine combinations with high compression or a power adder. If you encounter certain tuning issues, detonation is highly probable, and its effects can cause severe damage to your engine. With that said 4032 forged pistons can take way more abuse then 10-15. Both 2618 and 4032 piston materials arrive at JE Piston's manufacturing facility in bar-stock form. Free shipping for many products! 2618-t61 Forged … This makes Icon pistons significantly lighter than the competition without sacrificing strength. That’s why 2618 pistons call for an increased piston to cylinder wall clearance, so you need to keep this in mind when upgrading your engine. Icon Premium series forged pistons are made from ultra heavy duty 2618 alloy. They are forged from heat-treated, high-strength 2618 aluminum alloy making them both lightweight and strong. Our selection of Icon pistons will cover nearly every engine build from 300 horsepower pump gas street engines to all out performance race engine applications. 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. ICON premium forged pistons are made from high-strength, heat-treated T-6 2618 primary aluminum alloy. All SRP Pro 2618 pistons are lightweight, forged side relief (FSR) forgings, which eliminates stress concentrations for superior strength versus traditional designs while shedding up to … The Elite and LCAT series of pistons are developed and designed for hardcore engine builders who are looking to take their projects to a new level. You must have JavaScript enabled in your browser to utilize the functionality of this website. Right is a billet puck of 2618 aluminum that has yet to undergo any machining. CNC-Motorsports offers the best selection of forged Icon Pistons. A byproduct of having a lower silicon content, is an increased rate of thermal expansion. Main Caps, Main Girdles and Valley Girdles, Air Fuel Ratio, Exhaust Gas Temp. Complex Piston skirt profiles that reduce power robbing friction, yet promote stability in the bore for optimum ring seal. From what I've read, 4032 forged pistons seem to offer the best compromise between being able to handle detonation better than stock cast pistons, while also being able to maintain a tighter piston-wall clearance due to less expansion and thus less piston slap and supposedly less wear than the 2618 … UEM manufactures the Silv-O-Lite OE aftermarket piston line, KB Performance Pistons (including the motorcycle division), and The Claimer Performance Piston Series. We have been selling Keith Black pistons for years and now offer their premium new generation Icon forged pistons. forged piston sets, custom made for us. They feature a diamond-machined skirt, head, mini-grooves, pin bore, gas accumulator, ring grooves, and pressure-drilled pin hole oiling. Light weight forgings, millimeter ring packs, extra-strength forgings, gas ports, skirt coatings, offset pins, and a variety of other features are available to insure each engine exceeds our customer’s expectations. When I looked into doing my build, I did extensive research. We have our forged pistons custom made for us by RaceTec here in California. 2618 aluminum has a lower silicon content than 4032 and is better suited for engine combinations with high compression or a power adder. ICON Premium pistons are designed to be application specific and are made from either 4032 or 2618 aluminum. Why go with 2618 forged pistons? Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best value for your money. CNC-Motorsports offers the best selection of forged Icon Pistons. JavaScript seems to be disabled in your browser. First let’s address the 4032 alloy represented by the JE SRP (Sportsman Racing Products) line of pistons. My thoughts were the material is better and designed to last longer than a stock piston & 2618 … Summit Racing makes your life simple with a full line of pistons that … United Engine and Machine Company is now enjoying more than 98 years in business. ICON Premium pistons are designed to be application specific and are made from either 4032 or 2618 aluminum. Formerly KB Forged Pistons. Wiseco domestic auto and sport compact pistons are forged and machined in-house and receive a full compliment of power enhancing features. Ordering ICON’s new piston and ring kits has been made easy. Shop over 1600 different piston part options for domestic V8 engines today. JD40 sorry that I saw this so late. Shop over 1600 different piston part options for domestic V8 engines today. This creates a piston that can be more tightly fitted to the cylinder walls, which creates a very quiet running piston especially during engine warmup. I let a local guy in town rebuild the engine and he chose Forged Icon Pistons and Eagle Rods. I saw some pistons that fit the bill from Sealed Power made from a similar alloy, but heard that they are heavy and that their quality isn't as great since they started being made off-shore. Unless you rebuilding an engine with little to no budget you're going to upgrade to aluminum forged pistons. In saying that though, 0.0025 is tighter than I'd be comfortable with on a high power engine setup unless there's something unusual about the alloy that Wiesco use. Icon Premium series pistons are made from ultra heavy duty 2618 alloy. For Chevy 377 c.i. PTW clearance varies with the specific piston alloy but typically on the JE pistons I use, I'm somewhere around 0.004". Features: 4032 or 2618 extruded material forged for maximum strength. Get special promotions, new product alerts, video updates and more. Wiseco is a USA manufacturer for performance products such as forged pistons, clutch baskets, gasket kits, connecting rods, valves, crankshafts, and camshafts for motorcycles, dirtbikes, ATV, snowmobiles, PWC and automobiles. PRS pistons are available in a wide variety of designs, tuned to achieve the highest performance possible. Left is a 2618 stroker piston. Details about Icon Piston Ic814-064, 4.530 bore, big block chevy, forged T-6 2618 piston Icon Piston Ic814-064, 4.530 bore, big block chevy, forged T-6 2618 piston Item Information Want to receive the full CNC-Motorsports Catalog in your mailbox? I didnt have much say in the choices being that im a 17 year old kid who is lucky enough that his dad even paid to get it rebuilt for me. Exclusive V-rib adds strength without adding weight but allows maximum cooling. Sign up for our email for exclusive offers! PREMIUM FORGED 2618 and 4032 Alloy Chevrolet Small Block 350 Flat TopCylinder Bore: 4.000"Compression Distance: 1.265"Stroke/Rod: 3.480" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.480" Stroke w/64cc Heads: 10.4, Chevrolet Small Block 350 Flat TopCylinder Bore: 4.030"Compression Distance: 1.265"Stroke/Rod: 3.480" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.480" Stroke w/64cc Heads: 10.4, Chevrolet Small Block 350 Flat TopCylinder Bore: 4.040"Compression Distance: 1.265"Stroke/Rod: 3.480" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.480" Stroke w/64cc Heads: 10.4, Chevrolet Small Block 350 Flat TopCylinder Bore: 4.060"Compression Distance: 1.265"Stroke/Rod: 3.480" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.480" Stroke w/64cc Heads: 10.4, Chevrolet Small Block 383 Step DishCylinder Bore: 4.000"Compression Distance: 1.130"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -18.6ccComp Ratio 3.750" Stroke w/64cc Heads: 9.6, Chevrolet Small Block 383 Step DishCylinder Bore: 4.030"Compression Distance: 1.130"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -18.6ccComp Ratio 3.750" Stroke w/64cc Heads: 9.6, Chevrolet Small Block 383 Step DishCylinder Bore: 4.040"Compression Distance: 1.130"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -18.6ccComp Ratio 3.750" Stroke w/64cc Heads: 9.6, Chevrolet Small Block 383 Step DishCylinder Bore: 4.060"Compression Distance: 1.130"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -18.6ccComp Ratio 3.750" Stroke w/64cc Heads: 9.6, Chevrolet Small Block 383 Flat TopCylinder Bore: 4.000"Compression Distance: 1.133"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.750" Stroke w/64cc Heads: 11.1, Chevrolet Small Block 383 Flat TopCylinder Bore: 4.030"Compression Distance: 1.133"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.750" Stroke w/64cc Heads: 11.1, Chevrolet Small Block 383 Flat TopCylinder Bore: 4.040"Compression Distance: 1.133"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.750" Stroke w/64cc Heads: 11.1, Chevrolet Small Block 383 Flat TopCylinder Bore: 4.060"Compression Distance: 1.133"Stroke/Rod: 3.750" w/ 6.000" RodDome Volume: -4.9ccComp Ratio 3.750" Stroke w/64cc Heads: 11.1. Any combination from ultralight 2bbl oval track to high performance street, to heavily boosted race only cars will find Probe PRS Forged Pistons to be the perfect piston. ARIAS PISTONS was brought to life in 1969 as a manufacturer and supplier of high performance, high quality pistons and related hardware. & Data Recorders, Icon, Aluminum Pistons, Chev SB 350, Flat Top, 4.000" Bore, 3.480" Stroke, 6.000" Rod, Icon, Aluminum Pistons, Chev SB 350, Flat Top, 4.030" Bore, 3.480" Stroke, 6.000" Rod, Icon, Aluminum Pistons, Chev SB 350, Flat Top, 4.040" Bore, 3.480" Stroke, 6.000" Rod, Icon, Aluminum Pistons, Chev SB 350, Flat Top, 4.060" Bore, 3.480" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Step Dish , 4.000" Bore, 3.750" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Step Dish , 4.030" Bore, 3.750" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Step Dish , 4.040" Bore, 3.750" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Step Dish , 4.060" Bore, 3.750" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Flat Top, 4.000" Bore, 3.750" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Flat Top, 4.030" Bore, 3.750" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Flat Top, 4.040" Bore, 3.750" Stroke, 6.000" Rod, Icon, 2618 Forged Pistons, Chev SB 383, Flat Top, 4.060" Bore, 3.750" Stroke, 6.000" Rod. Don't worry, we won't share your email address. 427 Forged Pistons for use in Chevrolet 427 Engine Stroke These pistons are for use with a … Exclusive V-ribs add strength without adding weight and allow maximum cooling capacity. Comparing the 4032 and 2618 forged wrought aluminum alloys from Mahle Pistons. Precision tolerance CNC machining for quality, repeatability and performance. Sign up below. This is a more economical alternative forged piston for engines not requiring the ultimate strength of 2618 alloy. NOTE: Some parts are not legal for use in California or other states with similar laws and/or regulations. aluminum pistons in 4032 and 2618 Click here to go to our announcement. This alloy is created with a high silicon content – a full 12 percent. Flat Top Piston (SIC882.005) by Icon Pistons®. Some models are available in the Icon FHR Pistons (Forged Head Relief) series which are made from 4032 alloy. Jim has designed pistons for everything from low-boost supercharged, turbocharged propane powered to 12:1 high compression normally aspirated engines. (4.125" bore x 3.48" stroke). 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The kit number uses standard ICON part numbers and adds a “KT” suffix to indicate kit. This material is cut into pucks and either forged to get it closer to its final shape, or whittled away in a CNC machine to form a billet piston. Icon, 2618 Forged Pistons, Chev SB 383, Step Dish , 4.030" Bore, 3.750" Stroke, 6.000" Rod: Chevrolet Small Block 383 Step Dish Cylinder Bore: 4.030" Compression Distance: 1.130" Stroke/Rod: 3.750" w/ 6.000" Rod Dome Volume:-18.6cc Comp Ratio 3.750" Stroke w/64cc Heads: 9.6. ICON Pistons are precision built for high performance street and racing applications. Starting with 2618 alloy heat treated to high-strength T-6 specifications, these give you the best value for the money. Check for Availability Like you I plan on street driving my car often.
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