Capable of Handling well over 1000 HP with just a Wrist Pin Upgrade. Wiseco Pistons K580M88 Pistons Wiseco Pistons K580M88 Pro Tru Pistons Sport Compact Series Set of 4 Pistons Recommended RingSet: 8800XX Rings & Pins Included World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines. You did not get any such info from Wiseco, their tolerances are liosted right on their web site, and on the paperwork that comes with their pistons. In defence of Wiseco's, a few motors I look after for a team here running an S3000 modified F1 motor, we had Wiseco pistons custom made, top pinned etc from the Wiseco factory, these have run really well making very good HP, after a strip down they look good. Yea I have read up on on both pistons… Wiseco's advanced forging process and extensive heat-treating and finishing processes ensure the performance and reliability that you demand from your engine. Be the first to review this product. The domes in the high compression models are offset to work in stock EV combustion chambers without modification. Being the multivalve piston technology leader, this line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier rings and optimised skirt profiles. Wiseco Pistons (Spc) Overbore Kit Pistons and Connecting Rods A piston and a connecting rod have a close partnership with each other. Be the first to review “Wiseco Pistons LS1, Compression Height 1.335, 3.903 Bore, Stroke 3.662, Rod Length 6.098, Dome +4.0cc, .943 Wrist Pin, Set Pistons” Cancel reply Your rating * Rate… Perfect Good Average Not that bad Very poor Wiseco pistons come with 1 piston, ring set, wrist pin, and circlips. Wiseco Sport Compact pistons are made from dedicated forgings produced in-house to give you a lightweight piston with superior strength and optimal design. Once uncorked and properly tuned, it will run with any 250MXer of it's day. These Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. When I first built my Shovelhead I messed up and made the bore clearance too tight and had some serious issues. Wiseco is proven to make some of the best pistons on the market! Vertex has ceramic materials which handle the heat better and change less dimensionally. These rings have a stainless steel gas nitride top ring, cast iron Napier hook second ring, and flex-vent oil ring with gas nitride scraper rails. Wiseco - Buy Direct - Horsepower Direct To Your Door! The piston pins and corresponding clips are also included. SPI pistons vs. Wiseco vs. Stock? Wiseco's new Garage Buddy engine rebuild kits offer everything you need for a bottom and top end rebuild. Click on Over size needed before placing Cart. Wondering how they compare to say a Wiseco or stock (Cat, Doo or Polaris) piston? They both have the same dish design off the shelf and the same compression ratio. The piston skirt is coated and thus ensures lower friction. Horsepower Direct P.O. Details about Wiseco PTS540A3 Pro Tru Pistons AMC 401 V8 -27cc Reverse Dish .30 Over Bore. Typically vertex cost more than wiseco … wiseco pistons - ls3/l99 - 4.070" bore - 3.622".927" - 6.125" rod -3.2cc vol - flat top - k398x7 JavaScript seems to be disabled in your browser. They do … Interesting. Wiseco arent even in the same league..... there measurements for standard off the shelf pistons vary way too much and dont even get me started on there custom pistons!!! Wiseco Professional Series pistons are designed to take the hard-driving abuse from your performance engine. Featuring valve pocket designs that allow maximum flow around valve, also allowing oversized valves and high lift cams to be utilized and pis Read honest and unbiased product reviews from our users. Performance, Pistons have wear and friction reducing skirt coating. Product Description. 5. I used Wossner(RK Tek) pistons in my machine & did so because it was the cheapest/quickest fix to address the excessive piston to cylinder wall clearance that plagues most of the 800 CFI2 engines. CP ring lands are thicker than Wiseco ring lands. Box 633 Sheboygan, WI 53082-0633 1-855-HPD-RACE Find Wiseco K474M965 Wiseco Professional Series Pistons and get Free Shipping on Orders Over $99 at Summit Racing! These forged 4032 aluminum piston kits are complete with chromium alloy steel piston pins and Spirolox. Mitsubishi 7-Bolt 4G63 1400HD E85 Series Pistons by Wiseco Own a 7-Bolt 4G63 engine and plan on building a motor? Wiseco pistons are slightly smaller cold, due to the chosen manufacturer process and material used. Speed Pro H345DCP 350 Small Block Chevy SBC Flat Top Pistons Coated Piston 5.7" (STD 4.00" Bore Diameter) Speed Pro H345DCP 350 Small Block Chevy SBC Flat Top Pistons Coated Piston 5.7" (.080" or 4.080" Bore). I've used Wiseco pistons pretty religously in high performance applications for years. All Wiseco pistons are forged from high silicon, low expansion aluminum alloy. 1 product rating. Other features such as dome brushing, ArmorGlide skirt coatings, gas ports, and advanced ring packages will be found on many of these pistons. I'd heard from a couple people that a Wiseco improves the bottom end and middle just a bit, at the sacrifice of the top end. From the crank to the piston kit, and even an hour meter to track maintenance, everything is included in one box. The MotoSport.com Wiseco Pro-Lite Piston Kit - 2-Stroke includes one of each of the following components with the following attributes: The Wiseco Piston Kit is not just a basic piston replacement, it is a performance piston kit that is more durable than O.E.M. Wiseco® began the manufacture of pistons 70 years ago when founder Clyde Wiseman started making them in his garage. Barry_R wrote:Wiseco makes a perfectly good part.Since the old TRW Clarkwood plant closed they've been the only piston manufacturer that forges their own blanks in house. The sets always come with piston pins, rings, clips and installation and drilling dimensions. We stock a few Wiseco standard pistons. It runs Wiseco pistons & probably has the highest volume of kits out on the snow with nothing but good results. This offers a superior strength, weight reduction, improved heat transfer and longer life. Find helpful customer reviews and review ratings for Wiseco 9300Xx Piston Rings For Wiseco Pistons Only at Amazon.com. The Wiseco Pistons are available with 2V PI, 2V TFS, 3V and 4V Valve Reliefs. On an STi head (57-58cc) the compression ratio would be the same as the CPs. The KDX250 uses a modified KX250 engine. Wiseco 80” Evolution® Big Twin Pistons $ 0.00. All Wiseco Sport Compact kits come with 1mm x 1.2mm x 2.8mm XX ring sets. While I can't speak to the 700 specifically, in the past, I've typically set up Wiseco pistons of similar bore size with .001"-.0015" greater clearance than Wiseco specifies for my sea-level applications. Available in stock 8.5:1 flat-top or 10:1 high dome compression. Here we take a look at the components included, and the technology behind them. BMW forged pistons by WISECO. Wrist pin centerline to piston deck height of 1.265” (center of piston has .050” raised dome, can be cut flat if desired). Posted by xcrspx on Thursday, April 27, 2006 2:18 PM Just curious if people have had any good or bad luck with SPI pistons? They're forged from either 2168 or 4032 aluminum alloy for maximum strength, and then precision CNC-machined to their intricate final configurations under close tolerances. World renowned for their work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated engines in such venues as Formula 1, Indy Racing League (IRL), NHRA Pro Stock, Moto GP, AMA Superbike, AMA Motocross and Supercross to design and manufacture the highest technology pistons available. 5.0 average based on 1 product rating. It connects the piston to the crankshaft and is responsible for transferring electric power from the piston to the crankshaft and sending it to the transmission. I don't know if this is still appropriate, but hopefully, someone with specific knowledge can chime in. Wiseco Domestic Automotive Forged Pistons feature dedicated forgings, specially designed valve pockets, unique dome and crown designs, optimized skirt profiles and precision machined ring grooves. My initial question was asking about the dif between a Wiseco standard piston and a Wiseco Pro-lite, but if OEM performance is … Wiseco ring types are not interchangeable with each other (ie, CD is not interchangeable with KD ring set). Wiseco pistons do in fact run tighter tolerances than cast. Wiseco’s new K635 series piston is the only forged piston utilizing special form tooling for the correctly shaped dome and bowl design. 5 Stars, 1 product ... We’ll take a look and remove the review if it doesn’t follow our guidelines. This usually means stronger as well. They do a good job in the smal engine market but have never really gotten a good grip on the automotive performance world - seems like they change direction every three years. This item Wiseco PTS503A6 Pro Tru Pistons Small Block Chevy 350 2V Flat Top .60 Over Bore. The wiseco sheet shows STi pistons with an RS combustion chamber volume (50-51cc). Owing to a special alloy, the forged pistons for BMW by WISECO are extremely lightweight and have been reinforced for maximum performance. Find Wiseco Pro Tru Street Pistons and get Free Shipping on Orders Over $99 at Summit Racing! In general, Probe, Keith Black Forged, Ross, JE, Wiseco, SRP, Diamond and all use a normal gap of .020" on say a 327/350/400 and you can run about .016" to .018" (dont do this though unless a machine shop or builder tells you to based on ring location) on say a 355 with 9.5:1 and aluminum heads IMO (have done so) pistons and includes everything necessary to rebuild your top end. The Wiseco Piston / K1 H-Beam Piston and Rod Combo is the Strongest Shelf Stocking Combo available. I like both pistons. Discussion Starter • #1 • Dec 29, 2011. ’99-’06 Twin Cam® Stock 4” Stroke Pistons: 4-1/8” bore yields 107” displacement with stock ‘99-’06 (88”) 4” stroke crankshaft, retains stock cylinder height. 1,350 Posts . Are you looking for affordable high performance for your street machine? The only problem with CP PISTONS is the timeframe for custom pistons..... 6 - 8 weeks (but we havent had any returns of custom pistons yet, they look and perform unreal!) After that I learned to add an extra .0005" to the clearance spec they recommend on anything aircooled that gets ridden hard. For the best experience on … Wiseco Pro Tru Street Pistons are right up your alley! The pistons he made at that time were destined for use in big bore marine engines, and like so many successful companies that began in people’s garages, word of what he was doing spread and soon he was making pistons for friends and so business began to grow. The connecting rod is a important link within of a combustion engine. 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