Availability
Looking for big LS engine power at an affordable price? Summit Racing™ remanufactured 5.3L LS long block crate engines are rated at 450 HP and 420 lbs.-ft. torque! This engine will give you the performance and drivability you have been searching for at a price you can afford. It can be a performance upgrade for 99-07 Chevy trucks, or an engine swap into your project vehicle. You will save time and money by leaving the machine-work and assembly to us. Just bolt on your accessories and drop it in. These engines are machined and assembled for us by the guys at ATK, and backed with a 2-year unlimited mile warranty for peace of mind. Technical specifications: * Horsepower: 450+ * Torque: 420+ * Block: Seasoned OE LM7/5.3L iron * Bore/stroke: 3.800-3.820 in. x 3.622 in. * Year range: 1999-2007 * Displacement: 323 C.I.D. * Crankshaft: OEM GM 3.622 in. stroke internally balanced 24-tooth reluctor wheel * Connecting Rods: OE GM forged powder metal 6.093 in. * Pistons: Hypereutectic flat top * Piston rings: Moly * Compression ratio: 10:1 compression * Camshaft: Summit Racing Pro LS Roller * Camshaft specifications: Lift- 550/550, Duration @.050- 222/232 * Camshaft bearings: Installed and clocked to OEM position * Cylinder heads: #799 or #243 OE aluminum 64cc 2.00 in./1.55 in. valves * Freeze plugs: Brass installed and sealed * Rocker arms: OE powdered metal 1.7 ratio * Oil Galley plugs: Installed and sealed
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$3,849.99
Summit Racing™ combines quality and economy to offer replacement transmissions in many styles and options. These units are remanufactured with all-new clutches, thrust washers, seals, bushings, and high-energy bands—plus a hardened sunshell. Other features include a rebuilt front pump, a street performance valve body, and high-quality seals and gaskets. You get all these impressive upgrades, along with reliable performance and extreme value. All transmissions are Dyno tested before they're shipped. Order the model recommended for your vehicle.
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$2,024.99
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$5,299.99
Summit Bucks
Summit Racing™ SPC Engine Blocks are aftermarket V8 Engine Blocks made for "Street, Performance, or Competition." These brand new clean sheet designed aftermarket blocks are cast in a modern state-of-the-art German foundry on brand new molds and machined in USA on modern high-speed machining centers that can hold the tightest of tolerances. Why start your engine build with a dirty, old, worn-out production block that needs hundreds or thousands of dollars of machine work--when you can start with a new heavy-duty casting full of high-performance features. We ship these blocks mostly finished but leave the cylinder bore .005" undersize, your machine shop will have to hone them for proper size. You can rest assured that you have a great foundation for your engine build. Check out the features below! Additional details: • Available Versions Include: GM Small Block, GM LS, GM Big Block (coming Soon,) Ford Windsor 5.0 and 351W • Cast in Germany at a Tier 1 OEM foundry • Made with class 35 Iron Alloy, Higher tensile strength and harder than competitors' class 30 • Machine-finished in USA on precision hi-speed machining centers- All dimensions are very accurate! • Priority main oiling systems & Siamese Cylinder bores • Blind head bolt holes • 4-bolt main caps, 180,00 PSI main bolts included
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$2,249.99
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$3,349.99
These Summit Racing™ 350 small block Chevys are 100% new, including their blocks! No remanufactured parts are used to build these engines. They are built with new Vortec head castings that are not prone to cracking like the factory ones, and produce a reliable 300+ horsepower/375+ lbs.-ft. torque, providing a mild muscle car tone. These engines are assembled for us by the guys at ATK, and backed with their 2-year unlimited mile warranty for peace of mind.
Not Yet Reviewed
$4,499.99
Think you have to drain every last penny from your bank account to get a quality transmission? Think again. Our Summit Racing™ performance transmissions have been manufactured with all-new, high performance components. Features include a high-volume pump, performance clutches and steels, a recalibrated full manual trans-brake valve body, heavy-duty sun shell, deep aluminum pan, and high-quality seals and gaskets. You get all these quality upgrades, plus reliable performance from Summit Racing™ performance transmissions.
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$2,708.99
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$4,999.99
BluePrint high torque GM 377 c.i.d. base stroker long block crate engines will provide you a great foundation to return your vehicle to the performance level you desire. They feature a new one-piece rear main BluePrint engine block with 4-bolt mains. Inside the block is a cast crankshaft and connecting rod rotating assembly, with 9.1:1 compression hypereutectic pistons. The full roller camshaft provides 0.481 intake/0.480 exhaust lift with 187 intake/193 exhaust duration at .050 with a 97 degree lobe separation. The engines also include a new oil pan, a set of valve covers, and a timing cover to finish them off. We purchased the last of these new-in-the-box engines from Blueprint. This means we cannot extend a warranty from the manufacturer; however, we do offer our standard 90-day handshake guarantee. This is a last chance opportunity, once they're gone we won't be able to order more--so grab one while you can! Engine specifications: * All new and dyno tested 377 c.i.d. small block Chevy compatible engine * Cast crankshaft with hypereutectic pistons * 4.000 in. bore and 3.750 in. stroke * Aluminum heads with 67cc chamber, 1.500 in. exhaust, and 1.940 in. intake valve * Accommodates 8- or 12-bolt intake manifolds * Requires electric fuel pump (not machined for mechanical fuel pumps) * Harmonic balancer included
( 2 )
$4,799.99
Summit Bucks
Summit Racing™ Performance turbochargers have the latest in compressor aero technology with quick-spooling, yet free-flowing turbines. Starting with 66mm inducer sizes and working up to 79mm, the SUM-2600 Series turbos are reliable and a great value. The SUM-2700 Series are true race turbos starting at 76mm and go up from there. T4, T6, and V-band turbine housings are available. These are specially designed, balanced, and precision assembled in North America for class leading racers. They feature 2618 billet forged compressor wheels that offer superior flow and dependability at high boost.
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$2,017.99
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