Apr 10, 2023, Pro LS 2618 Forged Pistons. Apr 3, 2023, Pro LS 2618 Forged Pistons. The system operated at 350 kPa and used Multec II injectors that were more precise than past injectors. Estimated International Ship Date: A local guy has a SBC for sale, It has Speed Pro HYPER--- .125 dome pistons ( H618P). It has four valves per cylinder, utilizes dual-overhead cams (DOHC) design, and features variable valve timing on the exhaust cam, a first for GM inline engines. Pistons have to put up with extreme pressures, as their working conditions have become significantly tougher in recent years. Both the Equinox and Traverse utilized transversely mounted engines, and as Sutter mentioned, the straight-six was simply too long for mounting sideways. Get information of our newest products and promotions . Estimated International Ship Date: The same is true for the cylinder head, which came straight from casting with its intake and exhaust ports already formed. ( 1 ), Estimated USA Ship Date: Bore, -11.00cc Head Volume, Chevy, LS, Set of 8, Estimated USA Ship Date: No matter what your high-performance application calls for, there is an ICON piston for you. ECOFORM pistons with pivoting side cores Weight optimized pistons for passenger car gasoline engines. You are using an out of date browser. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best value for your money. From the FHR series to the LCAT, ICON offers the most diverse and fully-featured "Off the Shelf" forged piston on the market today. CHEVROLET 5.7L/350 Chevy small block Gen I Pistons - Free Shipping on Orders Over $99 at Summit Racing Bore (in.) The guys on Hot Rod Garage are building a couple of 4.2l engines to compare with the Barra (an Aussie) engine. Critical rod dimensions are are held to very precise tolerances of +/- .0001 of an inch, which is the tightest tolerance you will find in the performance and racing aftermarket. ), production of the LL8 also ended. Saturday 3/4/2023. 3.810 bore, 1.326 C.H., 2cc dome, Std. The increase in displacement resulted in power increases as well, boosting horsepower to 242 at 5,600 rpm and torque to 242 pound-feet at 4,600 rpm. The Vortec 4200 was a huge leap forward for GM powertrains. Estimated International Ship Date: The most difficult part is keeping his foot out of the throttle because it's so much fun to drive. As a result, they form a uniform body with extreme strength. Estimated International Ship Date: The Vortec 4200 featured a deep-skirted block that added strength to the crank area. Machining off the dome on these old style pistons is the best thing you can do to them, they are super heavy with the dome. Wieser says the A/C conversion blows plenty cold even after 5,000 miles of street driving. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: Chrysler Dodge Mopar Vortec 4200 Rods . [3] This five-cylinder engine achieves better fuel economy and performance than the six-cylinder, but with more power and torque than the four-cylinder. To make the rods even stronger, they are shot peened which increases fatigue life. JavaScript is disabled. GM also equipped the new-for-2006 Hummer H3 with the Vortec 3500. The LL8 (or Vortec 4200), is a straight-6 gasoline engine produced from 2002 to 2009. vortec 4200 forged pistons.