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Shafiroff 540ci Ultra Street Engine Huge power is yours when you stuff 540 inches of Rat motor into your musclecar. Based on a GEN VI four-bolt big-block, this powerhouse features Dart Pro 1 325cc aluminum heads, a COMP Cams Street roller, and Mahle forged pistons. The engine comes with a 24-month warranty.
| Cubic inches: | 540 | | Horsepower: | 695 | | Torque: | 675 | | Block: | GEN VI lo-deck siamesed HP four-bolt block | | Compression: | 10.5:1 | | Crankshaft: | Eagle 4340 4.250-inch stroke, internally balanced crank | | Rods: | Eagle 4340 6.385-inch H-beam steel rods | | Pistons: | Mahle custom coated | | Camshaft: | COMP Cams Street Roller cam and kit | | Cylinder heads: | Dart Pro 1 325cc aluminum heads | | Intake manifold: | Edelbrock/Dart aluminum manifold | | Warranty: | two-year/24,000-mile | | Turnkey: | less carb and ignition | | Price: | $8,995 | GM Performance Parts 350 H.O. Deluxe crate engine from summit racing Power and value in a no-hassle package! Building upon the popularity of the value-leading 350 H.O. crate engine, the new 350 H.O. Deluxe adds a 600-cfm Holley carburetor, an HEI distributor, a long-style water pump, a Vortec aluminum intake, an 8-inch harmonic balancer, and a 12 3/4-inch flexplate to the package. Features include a pump-gas-friendly 9.1:1 compression ratio, a nodular cast iron crank, powdered metal connecting rods, 64cc Vortec cylinder heads, and a hydraulic flat tappet cam. This economical little powerhouse delivers 330 hp at 5,000 rpm and 380 lb-ft of torque at 3,800 rpm. It's perfect between the fenders of your favorite musclecar or grassroots racer. | Cubic inches: | 350 | | PN: | NAL-12496968 | | Horsepower: | 330 at 5,000 rpm | | Torque: | 380 at 3,800 rpm | | Block: | four-bolt main | | Compression: | 9.1:1 | | Crankshaft: | nodular iron | | Rods: | PM | | Pistons: | cast | | Camshaft: | hydraulic flat tappet 0.435/0.460 lift, 212/222 duration at 0.050-inch lift | | Cylinder heads: | Vortec iron | | Intake manifold: | aluminum dual-plane | | Turnkey: | Yes | | Price: | $3,495.95 | GM Performance Parts ZZ502 Crate Engine from summit racingFully assembled from intake manifold to oil pan, this 502-incher is just about as close to a custom-built race motor as you can get. With a street-friendly 9.6:1 compression, this big-block cranks out 502 hp at 5,200 rpm and a frame-twisting 567 lb-ft of torque at 4,200 rpm. Features include a cast iron four-bolt main block, forged pistons, forged steel connecting rods and crankshaft, a hydraulic-roller cam, aluminum oval port heads with 110cc combustion chambers, a CNC-ported dual plane aluminum intake manifold, a Holley 850-cfm carburetor and more. | Cubic inches: | 502 | | PN: | NAL-12496962 | | Horsepower: | 502 at 5,200 rpm | | Torque: | 567 at 4,200 rpm | | Block: | iron four-bolt | | Compression: | 9.6:1 | | Crankshaft: | forged steel | | Rods: | forged steel | | Pistons: | forged aluminum | | Camshaft: | hydraulic roller (224/234 duration at .050-inch, 0.527/0.544 lift) | | Cylinder heads: | Aluminum oval port w/110cc combustion chambers | | Intake manifold: | CNC-ported aluminum dual-plane | | Turnkey: | sold without carburetor | | Price: | $7,459.95 | World Products Merlin 540 Rat Motor engine Make mammoth power with this World Class 540-inch Rat motor from World Products. At the foundation is a new Merlin block that uses improved oiling and cooling passages to ensure a high level of reliability. Inside are Mahle forged pistons, a forged crank; up top, World Merlin aluminum heads featuring Manley Street Master valves measuring 2.30/1.88 inch. The works has Two-year/24,000-mile warranty. | Cubic inches: | 540 | | Horsepower: | 600 at 5,200 rpm | | Torque: | 605 at 4,200 rpm | | Block: | Merlin III cast iron four-bolt | | Compression: | 9.5:1 | | Crankshaft: | Eagle 4340 forged steel | | Rods: | Eagle H-beam forged steel | | Pistons: | Mahle forged aluminum | | Camshaft: | Hardcore hydraulic | | Cylinder heads: | World Merlin aluminum or cast iron | | Intake manifold: | Merlin single-plane | | Turnkey: | optional | | Price: | from $9,295.00 | World Products All-Aluminum Motown 427 SBC With a big 4.125-inch bore, 4-inch stroker crank, and 10:1 compression, Bill Mitchell's brawny all-aluminum 427ci small-block pumps out 530 hp with complete reliability and weighs only 435 pounds complete. The engine is built from World's new Motown Lite block, which is made of 357-T6 aluminum and is reinforced in all critical areas and then assembled with components from ARP, Clevite, Crane Cams, Eagle, Fel-Pro, Mahle, Manley, and Milodon. World's highly effective Motown Lite cylinder heads are employed with 220cc intake runners. Backed by a two-year/24,000-mile warranty. | Cubic inches: | 427 | | Horsepower: | 530 at 6,000 rpm | | Torque: | 540 at 4,700 rpm | | Block: | Motown Lite aluminum | | Compression: | 10:1 | | Crankshaft: | 4340 forged steel | | Rods: | 4340 forged steel | | Pistons: | forged aluminum | | Camshaft: | Crane hydraulic profile | | Cylinder heads: | Motown Lite cylinder | | Intake manifold: | Motown single-plane intake manifold with blueprinted Hardcore 830-cfm four-barrel carburetor | | Turnkey: | Yes | | Price: | $11,495.00 | Speed-O-Motive 725hp Blown Mouse Motor Race Engine Make them run for cover with this killer combo from Speed-O-Motive. This engine produces 595 lb-ft at 5,000 rpm and 725 hp at 6,500 rpm. Built with premium forged components, including 4340 steel crank and rods, Dart 230cc aluminum heads, a COMP Cams solid-roller camshaft, and a Littlefield 8-71 supercharger presiding over it all. | Cubic inches: | 496 | | Horsepower: | 496 at 5,200 rpm | | Torque: | 550 at 4,250 rpm | | Block: | GM Mk-IV two-bolt, optional four-bolt, 4.311-inch bore | | Compression: | 9.5:1 | | Crankshaft: | Scat forged steel 4.250-inch stroke | | Rods: | Scat I-beam | | Pistons: | SRP forged | | Camshaft: | Larry's custom grind | | Cylinder heads: | GM Track Pro oval port | | Intake manifold: | dual-plane | | Turnkey: | optional | | Price: | $6,500 | Larry's Performance 383 Track Pro Larry's Performance begins with a fully machined four-bolt-main small-block and adds a balanced Scat rotating assembly with new SRP pistons to assemble its 383 Track Pro. The cylinder heads are a pair of World Products Track Pro 64cc assemblies and the custom-ground camshaft enables the Track Pro 383 to develop 420 hp at 5,500 rpm. The complete motor includes a set of chrome valve covers and an oil pan. Larry's offers a six-month/6,000-mile warranty for street-driven applications. | Cubic inches: | 383 | | Horsepower: | 420 at 5,500 rpm | | Torque: | 385 at 4,500 rpm | | Block: | GM four-bolt, 4.030-inch bore | | Compression: | 9.5:1 | | Crankshaft: | Scat forged steel, 3.75-inch stroke | | Rods: | Scat 6-inch, I-beam | | Pistons: | SRP forged | | Camshaft: | Larry's custom grind | | Cylinder heads: | Track Pro aluminum 64cc | | Intake manifold: | dual-plane aluminum | | Turnkey: | optional | | Price: | $4,795 | American Speed 396ci/510hp Small-Block Brutus Put a big brute under your hood with this 510-horse small-block from American Speed Racing Engines. Built from a new GM four-bolt block, the innards include an ASE 4340-steel crankshaft and SRP forged racing pistons. The 9.8:1-compression 396 operates on pump gas to provide good driveability. At just 2,500 rpm, the engine delivers 450 lb-ft of torque and a very respectable 540 at 4,200 rpm. Airflow Research 195 CNC-ported aluminum heads are matched to an Edelbrock RPM intake. A custom Comp Cams hydraulic-roller cam is designed and installed for each engine combination and driving application. These engines come with a one-year/12,000-mile warranty. | Cubic inches: | 396 | | Horsepower: | 510 at 5,500 rpm | | Torque: | 535 at 4,000 rpm | | Block: | New GM four-bolt block | | Compression: | 9.8:1 | | Crankshaft: | 4340 steel crankshaft, 3.875-inch stroke | | Rods: | 6-inch Eagle rods | | Pistons: | SRP forged | | Camshaft: | Comp hydraulic roller | | Cylinder heads: | AFR 195, competition-ported | | Intake manifold: | Edelbrock RPM | | Turnkey: | Yes | | Price: | $9,900 (per options) | American Speed 383ci/425hp Enforcer One of American Speed's most popular crate engines is this 383ci 425hp Enforcer. Built to deliver a whopping 490 lb-ft of torque at 3,900 rpm, the small-block sports pump-friendly 9.6:1 compression and holds 14 inches of vacuum at an 850-rpm idle. Based on a new GM four-bolt block, the 383 swings an ASE nodular-iron crankshaft and 5.7-inch steel Super Stock rods. Up top, a pair of Edelbrock RPM aluminum cylinder heads and RPM intake manifolds work well with the ASE custom hydraulic camshaft. These engines come with a two-year/24,000-mile warranty. | Cubic inches: | 383 | | Horsepower: | 425 at 5,400 rpm | | Torque: | 490 at 3,900 rpm | | Block: | New GM four-bolt main | | Compression: | 9.6:1 | | Crankshaft: | ASE nodular-iron | | Rods: | ASE 5.7-inch steel Super Stock | | Pistons: | Forged | | Camshaft: | ASE hydraulic | | Cylinder heads: | Edelbrock RPM aluminum | | Intake manifold: | Edelbrock Performer RPM | | Turnkey: | Yes | | Price: | $6,645 (per options) | Larry's Performance 496 Track Pro If you're a Rat motor fan, Larry's Performance offers its 496 Track Pro, which grunts out 496 horses and 550 lb-ft of torque. The Rat motor is offered with two- or four-bolt mains and is fitted with a Scat rotating assembly. Next Larry's installs a set of SRP forged pistons, a special camshaft, and a pair of GM oval-port cylinder heads. This Rat is also offered with a six-month/6,000-mile warranty for street-driven applications. | Cubic inches: | 496 | | Horsepower: | 496 at 5,200 rpm | | Torque: | 550 at 4,250 rpm | | Block: | GM Mk-IV two-bolt, optional four-bolt, 4.311-inch bore | | Compression: | 9.5:1 | | Crankshaft: | Scat forged steel 4.250-inch stroke | | Rods: | Scat I-beam | | Pistons: | SRP forged | | Camshaft: | Larry's custom grind | | Cylinder heads: | GM Track Pro oval port | | Intake manifold: | dual-plane | | Turnkey: | optional | | Price: | $6,500 |
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American Speed
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Sallee Chevrolet
Milton-Freewater
OR
97862
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Beck Racing Engines
21616 N. Central Ave., Suite 1
Phoenix
AZ
85024
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Scoggin-Dickey Parts Center
Lubbock
TX
N/A
www.sdparts.com
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Edelbrock
Dept. 5.0
2700 California St.
Torrance
CA
90503
310-781-2222
www.edelbrock.com
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Shafiroff Racing Engines
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Golen Engine Service
17 Dracut Rd.
Hudson
NH
03051
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Speed-O-Motive
131 W. Lang Ave.
West Covina
CA
91790
6-26/-869-0270
speedomotive.com
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Jeg's High Performance
101 Jeg's Place
Delaware
OH
43015
800-345-4545
www.jegs.com
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Summit Racing
P.O. Box 909
Akron
OH
44309-0909
800-230-3030
www.summitracing.com
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Larry's Performance
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Turn Key Engine Supply
7-60/-941-2741
www.turnkeyenginesupply.com
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MAS Performance
6337 US Hwy. 10, Dept. CHP
Ellworth
WI
54011
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World Products
Ronkonkoma
NY
6-31/-981-1918
www.worldcastings.com
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