Availability
These Summit Racing™ Manufacturing and Engineering LS rocker arm bolts have been specifically designed for use with your GM LS1/LS6 engines. They feature a small 8 mm hex head with a flange and are manufactured from high-strength, SAE-rated steel. The bolts also have a black oxide finish applied for corrosion protection.
( 14 )
$38.99
Contemplating an upgrade to your LS engine? Check out our Summit Racing™ LS rocker arms, designed to add some more horsepower and increase rpm capability. These LS rocker arms are made of high-quality materials, and are available in various ratios to suit a range of applications.
( 8 )
$12.99
Summit Racing™ LS Series retrofit trunnion kits are the answer for LS engines with higher lift camshafts and heavier-than-stock valve springs. These trunnion bushing kits are designed to maximize peace of mind by completely eliminating the needle bearings and providing maximum lubrication to the trunnion—while also providing maximum load carrying capabilities many times greater than needle bearings. Rocker arm trunnion upgrade kits include: * 16 micro polished hardened steel pivots/trunnions * 32 high performance C932 bearing bronze bushings * 32 retainer clips
( 70 )
$179.99
Summit Racing™ Pro LS upgraded rocker arms feature high-quality rocker bodies that utilize the factory style pedestal mount. They are made of high-grade cast steel construction to ensure long-lasting durability and performance. This design replaces the factory bearing and powdered metal trunnion and utilizes a captive bearing design and a bearing steel trunnion. These rocker arms are a perfect upgrade for higher rate springs and performance camshafts. Summit Racing™ Pro LS upgraded rocker arms come preassembled with heavy-duty trunnion kits, which saves you time and the additional cost of an installation tool. Features include: • New body casting includes thicker webbing in critical areas for increased strength • Additional oiling provisions for the bearings • Heavy-duty clips or retainers • Durable captive bearing design and bearing steel trunnion
( 25 )
$25.99
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$328.99
Strengthen your valvetrain using Summit Racing™ billet LS rocker stands. Our bars are stouter than factory, and are precision-cut from billet aluminum, helping to limit flex and distortion. Get assistance with rocker arm control; choose a set of Summit Racing™ LS rocker stands for your valvetrain.
( 6 )
$94.99
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$99.99
Summit Racing™ OE rocker arms for LS Series bearing upgrade kits are specifically designed for those individuals who tend to use OE GM rockers with the pivoting/bearing upgrade. They're manufactured from high-strength, SAE-rated steel and sport a natural finish. For all of your part needs, go with Summit Racing™--quality, value-priced performance parts.
( 9 )
$11.99
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$93.99
Our lightweight, CNC-machined aluminum roller rocker arms have premium needle-bearing fulcrums for stable operation, reduced friction and wear, plus increased horsepower. These pedestal-mount rocker arms are an easy upgrade on 1999 and later LS1/LS6 engines and don't require changing valve covers. The rocker arms come with pedestals and have an anodized finish.
( 28 )
$462.99
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$509.99
If you're rebuilding your LS rocker arms, chances are you'll need Summit Racing™ replacement rocker arm bearings. They are fabricated from quality materials and built to fit your Summit Racing™ replacement rocker arms.
Not Yet Reviewed
$12.99
Summit Racing™ replacement rocker arm trunnions are the correct components to work with our LS engine trunnion upgrade kits and save you money. These individual components allow you to purchase just what you need –no more. And just like the originals, these rocker arm trunnion replacements feature micro-polished, hardened steel construction. Enjoy peace of mind when you use quality replacement parts from Summit Racing™.
( 1 )
$9.99
Summit Racing™ replacement rocker arm trunnion bushings are the same components packaged in our LS engine retrofit trunnion kits and are offered to save you money. These replacement pairs allow you to purchase just what you need. And just like the originals, these rocker arm trunnion bushings feature C932 bearing bronze construction. Enjoy peace of mind when you use quality replacement parts from Summit Racing™.
( 1 )
$6.99
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
( 43 )
$3,849.99
Summit Racing™ Pro LS Race valve covers are designed for maximum effort applications. They are built tall to clear all types of rocker arm systems including adjustable shaft mounts. Made from cast aluminum for light weight and strength, they include -12 AN vent/ fill locations for catch can or vacuum pump plumbing and utilize built-in baffles to resist oil consumption through the vent or PCV. The valve covers are available in various colors and versions, with or without coil brackets. Select the Summit Racing™ Pro LS Race valve covers for your application needs. Features and benefits: * Available in black, red, or bare aluminum * Special profile clears shaft rockers * Oil fill cap and -12 AN plug included * Available plain and with coil mounts * Uses stock bolts and grommets (not included) * Uses stock gaskets (not included)
( 1 )
$249.99
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$269.99
Summit Racing™ offers cam bearing sets for a wide range of applications—including many Chevrolet small block V8 engines from 1955 and up. These bearings support the camshaft and allow it to rotate so it will activate pushrods and rocker arms to open and close valves. The direct replacements are available in a variety of materials. Order the set recommended for your vehicle.
Not Yet Reviewed
$16.99
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$24.99
Summit Racing™ precision cast cylinder heads are made from tough A-356 aluminum alloy and feature Permanent Mold "As-Cast" technology. Port accuracy is unrivaled--meaning CNC porting is not required to provide superior flow. The result is CNC-ported performance at a fraction of the price! We start with precision CNC-finished faces and bolt holes for accuracy and fitment. American craftsmen expertly size and install the manganese bronze valve guides and interlocking ductile iron seats before finishing with a competition-grade valve job. From there, the decks are given a final pass for superior finish. They are finish-assembled in the USA with top-quality components like PAC Racing springs, fasteners, one-piece 21 4N stainless valves, machined locks, Viton® seals and chromoly steel retainers. The final result is the performance you want and Summit Racing™ quality you TRUST!
( 14 )
$699.99
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