Engine Blocks & Parts | Summit Racing

COMP Cams Engine Finishing Kits

These COMP Cams engine finishing kits contain the often-forgotten components missing during final engine assembly. They include parts like Woodruff keys, cylinder head alignment dowels, cam bolts, timing cover dowels, and oil pump dowels. Available for small and big block Chevrolet and small block Ford engines, the COMP Cams engine finishing kits make engine assembly easy.

4.74 out of 5 stars ( 68 )

$18.99

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$38.99

COMP Cams Engine Plug Kits

COMP Cams have put together their engine plug kits because they understand it's easy to forget the little things. Ordering this one part number will supply you with all the plugs needed to seal the water and oil chambers in your LS engine. The plugs are made from brass and galvanized steel to resist corrosion, and will last for years without rusting or becoming stuck in your engine block. When building an LS engine, your primary focus is the major components—camshafts, cylinder heads, and like power makers. You don't want to overlooked the smaller, but also important, parts to complete your build. COMP Cams hasn't; pick up one of these engine plug kits and be ready to finish what you've started.

5.0 out of 5 stars ( 2 )

$49.95

Summit Racing™ SPC Engine Blocks

Summit Racing™ SPC Engine Blocks are aftermarket V8 Engine Blocks made for "Street, Performance, or Competition." These 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

4.94 out of 5 stars ( 16 )

$2,249.99

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$3,599.99

Chevrolet Performance LSX Bowtie Engine Blocks

Chevrolet Performance LSX Bowtie engine blocks are designed for the advanced competition engine builder. They feature Siamese cylinder bores and a semi-finished deck height. The blocks can accept a maximum stroke of 4.250 in., a maximum bore of 4.250 in., and can support displacements of 454 cu. in. or more. LSX Bowties feature cast iron construction with an orange powdercoat finish. They accept all Gen III and IV LS-style cylinder heads, crankshafts, camshafts, and other components. Order the model with deck height and other options needed for your application. Additional features and specs include: * Front oil feed lines that can be plugged or restricted for mechanical flat tappet or mechanical lifter applications * Can be safely machined to 9.200 in. deck height * 1054 billet steel 6-bolt main bearing caps * 6-bolt cylinder head bolt pattern * Cam bores that can be machined to accept 60mm roller bearings * Can be machined for larger diameter lifters * External oil pump feed at the rear * Added 7th transmission bolt hole to work with early-style GM transmissions * Can accept a front motor plate for racing use * Threaded freeze plugs that can be used for external heaters or coolers * Windowed main bulkhead

5.0 out of 5 stars ( 1 )

$4,794.49

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$5,864.99

Chevrolet Performance LSX454 Bare Blocks

Delivering the seemingly impossible combination of professional racing-level strength and entry-level affordability, the Chevrolet Performance LSX454 Bowtie bare block is the next revolution in high performance engine building. This durable iron-block casting is based primarily on GM's production LS7 block, but designed with more material in key areas—including thicker deck and bores—to support displacements of 454 cu. in. or more, and unique 6-bolts-per-cylinder-headclamping capability that enables forced-induction and nitrous combinations of greater than 2,000 hp. Because the LSX Bowtie block is based on production LS blocks, all of the LS-Series Gen IV cylinder heads, crankshafts, oil pans, camshafts, and accessories bolt right up to it. There is also a tall-deck version for building even larger engines. Chevrolet Performance delivers the LSX Bowtie block semi-finished, allowing you to finish it to your needs. Whether you're building a "tame" 500-horse street engine for your hot rod or a 1,700 hp turbo engine for an Outlaw drag racer, the LSX Bowtie block is the foundation for an unbeatable combination—at an unbeatable price! LSX454 production block: * 4.185 in. bore * Fully CNC-machined * Deck plate honed * Align-honed main bearings * Deck height 9.240 in. (production) * Billet steel main caps * Includes all hardware * Used in LSX454 crate engine LSX Bowtie block specs and features include: * CNC-machined cast iron block * True priority main oiling * 6-head bolts per cylinder * Standard 4.400 in. bore spacing * Extra-thick Siamese cylinder bores * Semi-finished, machined thicker decks * LS7-style, 6-bolt dowel-located billet main bearing caps * Wet-sump and dry-sump oiling capability * Production-style deep-skirt headbolt holes * Production bolt hole and thread sizes * Maintains production exterior accessory mounting provisions * Front motor plate mounting holes added * Additional material cast around cam bearings for greater strength * 8mm exterior/interior fifth- and sixth-headbolt holes * Standard 0.842 in. lifter bores * Accommodates all LS oil pumps and oil pans * External oil pump feed (rear of block) * Main web bay-to-bay breathing holes to support greater horsepower * Includes unique cam retainer, rear cover and lifter retainers For the advanced LSX competition engine builder, you will fully enjoy the following features of the new LSX Bowtie block: * Front oil feed holes can be plugged/restricted for mechanical flat tappet or mechanical roller lifter applications * Can be machined safely to 9.200 in. deck height * Maximum 4.200" bore at .200 in. minimum wall thickness (naturally aspirated applications) * Head bolt holes can be machined for 1/2 in. studs * Cam bores can be machined to accept 60mm roller bearings * Can be machined for larger diameter lifters and/or 1.060 in. bronze bushings * Front oil feed lines can be plugged and external oil pump and/or aftermarket dry sump systems can be used via oil pump feed at rear of block (may be required with certain large stroke/aluminum rod combinations) * Belt cam drive systems can be accommodated; some machining will be required * Front motor plate can be used for racing chassis applications (Sprint car, drag racing, truck pulling, etc.). * Threaded water plugs can be used for external heaters or coolers * Extra stock for main bearing align-honed * 400 mPa tensile strength iron

Not Yet Reviewed

$5,872.33

S&S Cycle 110 in. Power Packages

S&S Cycle 110 in. Power Packages are the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early Twin Cam from late 96ci or 103ci to 110ci, as well as add matched cams/cam plate/oil pump and everything else a high performance cam chest needs to reliably make big power. Features: * 4 in. bore bolt on cylinder and piston kit * 10.5:1 compression * Wrinkle black finish * S&S 585 Easy Start cams in either gear or chain version * TC3 oil pump * TC3 cam plate * S&S cam chain tensioners or outer cam drive gears * Quickee adjustable pushrods with tubes * S&S precision tappets * Low-friction ductile cast iron liner * Bolts in with no machining, balancing, or splitting the crankcases * Cylinders fit to pistons--no machining required * All parts required to upgrade to gear drive cam or hydraulic tensioners in one easy to order part number

Not Yet Reviewed

$3,396.95

S&S Cycle 100 in. Power Packages

S&S Cycle 100 in. power packages are the ideal combination of performance and savings to transform your Harley® without breaking the bank. Bump that early Twin Cam from 88 cu. in. to 100 cu. in., while adding matched cams/cam plate/oil pump and everything else needed to reliably make big power. Optimize the performance of your bike by using one of these economical 100 cu. in. power packages from S&S Cycle. Features, benefits, and specifications: * Upgrade TC88 to 100 cu. in. * Engineered package to deliver the best bolt in performance * 4 in. bore bolt-on cylinder and piston kit * Wrinkle black finish * 585 Easy Start chain drive cams * TC3 oil pump and cam plate * Cam chain tensioners * Quickee adjustable pushrods with tubes * Precision tappets

Not Yet Reviewed

$3,396.95