Engine Internals
 Now available from JGY JGY-Sleeves for all SR's After years of using other manufacturers' sleeves during many of our SR builds, we had enough. Many of the competitors' sleeves have some good features and some have some good price points. But all of them lacked in one aspect or another. Not one set had all the features that we wanted and needed to build some of the best SR's out there. We decided to design our own with all the features that the world's best SR sleeves need.........and at a price point that can't be beat! Some of the published features are: cast iron with chromoly alloy (enables greater density), features that ensure piston rings seat and seal, true density throughout, outer diameter of 95mm, 97mm over hanging top lip, 85.5mm inner diameter. This enables the engine builder to choose from a piston size of 85.5mm (smaller than stock) up to a 94mm size. (we suggest no larger than a 91mm due to the constraints of the SR block and not our sleeves even though some engine builders go larger). Notice in the photos on the right how the lip of each sleeve actually overlaps the adjacent sleeve so that when you do a finish on the block surface, you actually can achieve a greater block to head sealing surface than factory.......thus enabling you to bore larger than in the past using the *other guys* sleeves. If you are considering sleeves for your SR, whether it be for strength, longevity, or to increase the bore safely past what a stock SR can hold, it's an easy choice to use JGY-Sleeves.......designed and used by the top SR builders out there. Also available to customers that may have only damaged one cylinder $63.60 per sleeve  Now available from JGY, The Brian Crower billet steel crankshaft for the SR20DE(T). The BC crank can take you up to a 2.35L with a safe 90mm bore & 91mm stroke. - $1640 Add a set of BC Rods - $359 and a set of CP pistons - $519, then push it to the max!  Timing chain guides for SRs! Only $91.31.  MOTUL Engine clean ,Designed to be used in all types of Diesel and gasoline engines with injection or carburettor(s), with or without catalytic converter, using all kind of fuel. Effectively cleans dirtying and clogging which appear in the engine. The removed microparticles are then evacuated at the time of the oil drain. Provides a perfect lubrication during cleaning process. lower the wear decrease oil and fuel consumption increase compressions on the same way on all the cylinders decrease exhaust pollutants emissions evacuate deposits, varnishes and other combustion residues from problem areas such as hydraulics lifters or piston grooves and rings take advantage of fresh oil which will fill engine after draining increase catalytic converter’s lifetime- $16.99  Now available from JGY, Motul Oils. Motul is one of the best oils on the market and is priced with the consumer in mind. We carry most of the popular viscosities. Motul is Group IV and Group V, which are the only 2 groups that are "synthetic". For example, Mobil1 is Group III, which is a base oil with enough additives to be called synthetic. Group IV and V oils are polymerized base oils. They "outperform in cold cranking performance simulators, have lower volatility and increased oxidation stability. The end result is reduced engine wear, decreased oil consumption and increased oil life."* *DSport Magazine, issue 39
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