Powersports Complete Engines - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle SH-Series Engines

S&S offers performance engines in a variety of displacements. S&S Cycle SH-Series engines for Shovelheads are no different. They offer a vintage vibe with modern muscle. These engines are stock appearing but feature updated internal components for improved performance and reliability. If you are building a custom framed bike or it is just time to upgrade that old engine, S&S Cycle SH-Series engines have what you are looking for.

3.0 out of 5 stars ( 2 )

$9,995.95

—

$10,995.95

S&S Cycle T-Series Long Block Engines

Go from mild to wild with S&S Cycle T-Series long block engines. These long block engines fit in the stock chassis and require no frame modifications. They feature S&S easy start camshafts, 3-piece heat-treated 4140 flywheel assembly, high-flow oil pump, and cam cover. Engines are protected by a super tough powdercoated finish, and are available in black wrinkle, stone gray, and black edition color schemes. Make your Dyna or tourer a stump puller with S&S Cycle T-Series long block engines.

5.0 out of 5 stars ( 1 )

$8,295.95

—

$11,739.95

S&S Cycle V-Series Engines

S&S V-Series engines for 1984-99 Big Twins are available as complete engines in a variety of displacements, depending on your horsepower needs. They are stock appearing, but feature updated internal components for improved performance and reliability. Choose from natural, as-cast aluminum, wrinkle black powdercoat, and Black Edition finishes. All S&S V-Series complete engines will bolt into your factory chassis and will include either a S&S Super E or G carburetor and Super Stock ignition.

Not Yet Reviewed

$8,599.95

—

$8,999.95

S&S Cycle P-Series Engines

S&S offers performance engines in a variety of displacements. S&S Cycle P-Series engines for Panheads are no different. They offer a vintage vibe with modern muscle. These engines are stock appearing but feature updated internal components for improved performance and reliability. If you are building a custom framed bike or it is just time to upgrade that old engine, S&S Cycle P-Series engines have what you are looking for.

Not Yet Reviewed

$11,495.95

S&S Cycle V-Series Long Block Engines

Why rebuild that old stock Evo engine? Just replace it with S&S Cycle V-Series long block engines. These engines will save you unwanted down time and money by using your existing fuel or aftermarket ignition system. Tuning your carburetor or EFI system will be required, but definitely worth the extra effort. S&S Cycle V-Series long block engines are built using genuine S&S components, so you know this motor is built to last.

Not Yet Reviewed

$7,099.95

—

$8,299.95

S&S Cycle MK136 Black Edition Engines

S&S Cycle offers MK136 Black Edition engines for a variety of Harley-Davidson© oil-cooled street bikes from 2017 and up. Details include: CYLINDER HEADS: * High-flow cylinder heads with premium seats, guides, valves, springs, and seals * +1mm oversized intake and exhaust valves * Valves are .030 in. longer than stock for improved valvetrain geometry * .605" max lift valve springs * High-strength alloy used in cylinder head casting, improved strength at high temperatures * Enlarged cooling passage around the exhaust seats * S&S Exclusive breather boxes CRANKCASE: * All premium quality components * Patented dual-spray piston cooling jets * Precision-machined oil scraper * Enlarged oil sump * Contoured floor allows oil to easily drain back to the sump MK136: * Forged pistons * S&S performance oil pump and cam support plate * Premium tappets and tappet cuffs * Billet aluminum covers * Sprocket shaft spacer included * Champion spark plugs * Retains stock engine height * Includes cam cover badge * Powdercoat finish matches factory finish * Huge displacement increase means a huge power increase

Not Yet Reviewed

$11,999.95

—

$12,499.95

S&S Cycle Black Edition V-Series Long Block Engines

The S&S Cycle Black Edition V-Series long block engine (310-1158) is a high performance 124 cu. in. V-twin powerplant designed for 1984–2000 Harley-Davidson® Evolution Big Twin models. It's designed as a long block with a matte black finish, offering a powerful, ready-to-install, and aesthetic upgrade that requires the user to transfer their existing carburetor and ignition system. Key details: * Performance: Features a .640 in. lift cam, premium S&S valve springs, and forged rocker arms for high performance riding * Specifically designed for 1984–200- Evolution Big Twin and 1970–99 custom chassis with alternator-style primary * Long block configuration: Includes the engine block, cylinders, heads, and valvetrain * Uses stock-length manifolds to fit standard frames * Features a distinctive gloss black billet gear cover and overall matte black powdercoat finish * Usage note: The engine is intended for experienced builders who want to re-use or upgrade their own induction and ignition systems, often requiring performance carburetor re-jetting

Not Yet Reviewed

$8,299.95

S&S Cycle MK136 Black Edition Race Only Engines

S&S Cycle MK136 Black Edition race-only engines are high performance 136 cu. in. complete crate engines for 2018-and-up Harley-Davidson M8 Softail models. They feature a blacked-out finish, 550G gear drive cam, high-flow heads, and forged pistons—designed for maximum performance in closed-course competition. Key details: * Performance: Delivers massive power, designed for racing applications * Engine specs: 136 cu. in., 11:1 compression ratio, 4.320 in. bore and 4.625 in. stroke * Camshaft: Equipped with the 550G gear drive cam for precise timing * Valvetrain: High-flow cylinder heads, +1mm oversized valves, and 0.605 in. lift valve springs * Durability and cooling: Features patented Dual-Spray piston cooling jets, an enlarged oil sump, and improved cooling passages for the exhaust seats * Fitment: Ideal for 2018–24 Softails (oil-cooled), maintaining stock engine height for easy installation * Important notes: -- Not street legal: Intended for closed-course racing only -- Finish: Gloss black powder coat to match OEM Harley-Davidson styling * Contents: Complete assembly with S&S performance oil pump, cam support plate, and premium tappets

Not Yet Reviewed

$12,499.95

S&S Cycle SH-Series Long Block Engines

The S&S Cycle SH-Series long block engine (P/N 310-0975) is an 80 cu. in. air-cooled V-Twin engine designed to replace or upgrade the stock powerplant in 1970-84 Harley-Davidson® Big Twin motorcycles (Shovelhead era). This motor is designed with updated materials and technology to improve performance and reliability over a stock engine. Key features: * Engine specs: 3 1/2 in. bore and 4 1/4 in. stroke * Compatibility: 1970–84 Harley-Davidson® Big Twins with alternator-style primary * Available in natural crankcases with black powdercoated cylinders * S&S hydraulic valvetrain and roller rockers * Camshaft: Stock spec H-grind cam and billet gear cover * Sold without ignition, carb, manifold, and air cleaner * Stock Spec H-grind cam

Not Yet Reviewed

$8,795.95