Harley Complete Engines
Harley Bike Complete Engines at JJ Motorsports
Power up your Harley with premium complete engines from JJ Motorsports, featuring S&S Cycle's high-performance long-block and short-block designs for massive torque and reliability on Sportster, Big Twin, Evo, and custom builds. These ready-to-install engines deliver dyno-proven power with precision machining and proven internals.
Shop S&S Cycle complete engines for race-grade quality. Explore related categories such as Harley engine for rebuild kits and components, or Harley for exhaust and cams to complete your high-output build.
Top Harley Complete Engines
- S&S Cycle V111 Long Block Engine 310-0829 – 111 cubic inch long block with 4.625" bore; complete from crankcase up for Twin Cam conversions.
- S&S Cycle T124LC Series Long Block Engine 310-0401A – 124" long block with 4.250" bore; high-compression for M8 Touring and Softail models.
- S&S Cycle P93 Series Engine 106-0821 – 93 cubic inch short block; balanced crank and rods for Sportster and lightweight custom applications.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
S&S CYCLE T124LC Series Long Block Engine 310-0326A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95The S&S Cycle T124LC Series delivers 124 cubic inches of displacement with a user-friendly 10.2:1 compression ratio—ideal for street-driven big twins that demand serious torque without sacrificing reliability across varying fuel qualities. This long...09010237- SKU:
- 09010237
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- MODEL:
- T-SERIES
- STROKE LENGTH IMPERIAL:
- 4.625'
- STYLE:
- LOW COMPRESSION
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95 -
On Sale
S&S CYCLE P93 Series Engine 106-0821
S&S CYCLE
MSRP: $11,495.95Now: $10,346.36Was: $11,495.95If you're building a custom Harley-Davidson with 1970–1999 alternator-style chassis, the S&S P93 delivers authentic panhead aesthetics paired with modern engineering that actually runs hard. This 93-cubic-inch engine combines retro styling from the...09010180- SKU:
- 09010180
- Availability:
- Ships Same Business Day
- Weight:
- 162.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- DISPLACEMENT:
- 93'
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.625'
- COLOR/FINISH:
- SILVER
- MODEL:
- P-SERIES
MSRP: $11,495.95Now: $10,346.36Was: $11,495.95Qty in Cart: 0Quantity:Price:MSRP: $11,495.95Now: $10,346.36Was: $11,495.95Subtotal: -
On Sale
S&S CYCLE V80 Long-Block Engine - Evolution 310-0233
S&S CYCLE
MSRP: $7,099.95Now: $6,389.96Was: $7,099.95Rebuilding an aging 80" Evolution engine wastes time and money when you can drop in a completely new long-block with modern S&S engineering and immediately reclaim reliable power. This bolt-in replacement uses your existing carburetor and ignition setup,...09010187- SKU:
- 09010187
- Availability:
- Ships Same Business Day
- Weight:
- 148.00 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- COOLING SYSTEM:
- AIR COOLED
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 8.4:1
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- UNITS:
- EACH
MSRP: $7,099.95Now: $6,389.96Was: $7,099.95 -
S&S CYCLE V80 Series Engine 310-0232
S&S CYCLE
$7,199.96Rather than sinking time and money into rebuilding an aging 80" Evolution engine, the S&S Cycle V80 Series delivers a complete, factory-fresh replacement that bolts directly into your 1984–'99 Harley big twin chassis. You'll gain measurable power gains...09010188- SKU:
- 09010188
- Availability:
- Ships Same Business Day
- Weight:
- 150.00 LBS
- COLOR/FINISH:
- SILVER
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE SIZE IMPERIAL:
- 3.500'
- MODEL:
- V-SERIES
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 8.4:1
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
$7,199.96 -
On Sale
S&S CYCLE SH93 Engine 31-9905
S&S CYCLE
MSRP: $9,995.95Now: $8,999.96Was: $9,995.95The S&S SH93 is a fully-assembled, turnkey 93-cubic-inch engine built specifically for 1970–84 Harley-Davidson big twins. If you're restoring a classic or building a retro custom, this engine eliminates the guesswork of sourcing individual...09010202- SKU:
- 09010202
- Availability:
- Ships Same Business Day
- Weight:
- 156.01 LBS
- TYPE:
- COMPLETE
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.625'
- COLOR/FINISH:
- NATURAL
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- STYLE:
- VINTAGE
MSRP: $9,995.95Now: $8,999.96Was: $9,995.95 -
On Sale
S&S CYCLE V111 Long-Block Engine 310-0829
S&S CYCLE
MSRP: $7,999.95Now: $7,199.96Was: $7,999.95The S&S Cycle V111 Long-Block Engine delivers a genuine +30% power increase over stock while maintaining reliability through a short-stroke design that reduces vibration and extends engine life. Its compact height makes installation straightforward on...09010208- SKU:
- 09010208
- Availability:
- Ships Same Business Day
- Weight:
- 149.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.8:1
- STROKE LENGTH IMPERIAL:
- 4-1/8'
- UNITS:
- EACH
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- COOLING SYSTEM:
- AIR COOLED
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 111'
MSRP: $7,999.95Now: $7,199.96Was: $7,999.95 -
On Sale
S&S CYCLE V80R Series Engine 31-9150
S&S CYCLE
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95The S&S Cycle V80R Series delivers genuine big-inch power without requiring custom fabrication or frame modifications. Built with S&S forged internals and a proven 10:1 compression ratio, this 80-cubic-inch engine produces reliable horsepower and torque...09010224- SKU:
- 09010224
- Availability:
- Ships Same Business Day
- Weight:
- 156.00 LBS
- BORE SIZE METRIC:
- 88.90 MM
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- UNITS:
- EACH
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95 -
On Sale
S&S CYCLE V96R Series Engine 31-9156
S&S CYCLE
MSRP: $8,999.95Now: $8,099.96Was: $8,999.95The S&S Cycle V96R Series delivers 96 cubic inches of displacement without requiring frame modifications or custom fabrication—bolt it into your Harley and gain immediate performance gains. With S&S forged internals, a refined 520 camshaft, and a 10.1:1...09010226- SKU:
- 09010226
- Availability:
- Ships Same Business Day
- Weight:
- 153.00 LBS
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 96'
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- BORE SIZE METRIC:
- 92.08 MM
- COMPRESSION RATIO IMPERIAL:
- 10.1:1
- MODEL:
- V-SERIES
- UNITS:
- EACH
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
MSRP: $8,999.95Now: $8,099.96Was: $8,999.95Qty in Cart: 0Quantity:Price:MSRP: $8,999.95Now: $8,099.96Was: $8,999.95Subtotal: -
On Sale
S&S CYCLE V80 Series Engine 310-0238
S&S CYCLE
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95If you're looking to extract real performance gains without the complexity and expense of a full big-inch build, the S&S V80 Series delivers measurable horsepower and torque in a drop-in package. You get the engineering of a purpose-built performance...09010230- SKU:
- 09010230
- Availability:
- Ships Same Business Day
- Weight:
- 150.01 LBS
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 8.4:1
- UNITS:
- EACH
- BORE SIZE METRIC:
- 88.90 MM
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- COLOR/FINISH:
- CHROME
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95 -
On Sale
S&S CYCLE T124 Series Engine 310-0282A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95If you've already invested in performance upgrades for your big twin, the S&S Cycle T124 Series Engine lets you preserve those modifications while stepping up to 124 cubic inches of displacement. This long-block engine eliminates redundant fuel and...09010232- SKU:
- 09010232
- Availability:
- Ships Same Business Day
- Weight:
- 156.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- MODEL:
- T-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- WRINKLE BLACK
- STYLE:
- HIGH COMPRESSION
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
- DISPLACEMENT:
- 124'
- COLOR/FINISH:
- CHROME
- PISTON HEAD SHAPE:
- FLAT TOP
- STROKE LENGTH IMPERIAL:
- 4.625'
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95 -
On Sale
S&S CYCLE T111 Long Block Engine - Twin Cam 310-0770A
S&S CYCLE
MSRP: $8,295.95Now: $7,466.36Was: $8,295.95If you've already invested in performance upgrades for your stock engine, the S&S Cycle T111 Long Block lets you preserve those investments while stepping up to genuine big-inch power. This complete engine assembly delivers the displacement and...09010233- SKU:
- 09010233
- Availability:
- Ships Same Business Day
- Weight:
- 152.00 LBS
- MODEL:
- T-SERIES
- STROKE LENGTH IMPERIAL:
- 4.125'
- COMPRESSION RATIO IMPERIAL:
- 9.8:1
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 111'
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 4.125'
- PISTON HEAD SHAPE:
- FLAT TOP
MSRP: $8,295.95Now: $7,466.36Was: $8,295.95 -
On Sale
S&S CYCLE T124 Series Engine 310-0400A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95The S&S Cycle T124 Series Long Block delivers genuine street performance with a 10.8:1 compression ratio and 124 cubic inches of displacement—purpose-built for riders who demand power without compromise. This is a complete engine platform for serious...09010234- SKU:
- 09010234
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- MODEL:
- T-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- WRINKLE BLACK
- STYLE:
- HIGH COMPRESSION
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
- DISPLACEMENT:
- 124'
- PISTON HEAD SHAPE:
- FLAT TOP
- COLOR/FINISH:
- CHROME
- STROKE LENGTH IMPERIAL:
- 4.625'
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95 -
On Sale
S&S CYCLE T124LC Series Long Block Engine 310-0401A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95The S&S T124LC delivers genuine street-oriented performance without sacrificing reliability across variable fuel quality and riding conditions. At 10.2:1 compression, this long block generates predictable, manageable torque that works exceptionally well...09010235- SKU:
- 09010235
- Availability:
- Ships Same Business Day
- Weight:
- 150.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- UNITS:
- EACH
- MODEL:
- T-SERIES
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- STYLE:
- LOW COMPRESSION
- TYPE:
- LONG BLOCK
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 124'
- STROKE LENGTH IMPERIAL:
- 4.625'
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95 -
On Sale
S&S CYCLE T143 Long-Block Engine 310-0548A
S&S CYCLE
MSRP: $10,595.95Now: $9,536.36Was: $10,595.95The S&S Cycle T143 is the largest displacement engine S&S manufactures for stock Harley-Davidson touring chassis—delivering nearly double the horsepower of factory powerplants without requiring frame modifications. Built with CNC-machined components and...09010236- SKU:
- 09010236
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
- MODEL:
- T-SERIES
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- DISPLACEMENT:
- 143'
- BORE SIZE IMPERIAL:
- 4.425'
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- STROKE LENGTH IMPERIAL:
- 4.625'
MSRP: $10,595.95Now: $9,536.36Was: $10,595.95Qty in Cart: 0Quantity:Price:MSRP: $10,595.95Now: $9,536.36Was: $10,595.95Subtotal: -
On Sale
S&S CYCLE T111 Long Block Engine 310-0402A
S&S CYCLE
MSRP: $8,295.95Now: $7,466.36Was: $8,295.95If you're looking to unlock genuine performance gains on your 2007-'16 Harley touring bike without sacrificing reliability, the S&S Cycle T111 Long Block delivers 111 cubic inches of displacement with a forgiving 9.8:1 compression ratio that runs strong...09010238- SKU:
- 09010238
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.8:1
- STROKE LENGTH IMPERIAL:
- 4.125'
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- MODEL:
- T-SERIES
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 111'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- LONG BLOCK
MSRP: $8,295.95Now: $7,466.36Was: $8,295.95 -
On Sale
S&S CYCLE T143 Long-Block Engine 310-0737A
S&S CYCLE
MSRP: $10,595.95Now: $9,536.36Was: $10,595.95The S&S Cycle T143 Long-Block Engine delivers 143 cubic inches of displacement in a stock chassis—doubling the horsepower of factory big twins without frame modifications. Built for serious riders and racers who demand maximum performance, this...09010239- SKU:
- 09010239
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- WRINKLE BLACK
- STROKE LENGTH IMPERIAL:
- 4.625'
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 4.425'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 143'
- MODEL:
- T-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
MSRP: $10,595.95Now: $9,536.36Was: $10,595.95Qty in Cart: 0Quantity:Price:MSRP: $10,595.95Now: $9,536.36Was: $10,595.95Subtotal: -
On Sale
S&S CYCLE T124HC Series Engine 310-0900A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95The S&S Cycle T124HC Series engine delivers genuine big-displacement performance for Dyna models, combining a 10.8:1 compression ratio with purpose-built internals engineered for sustained high-output riding. This is a complete long-block solution that...09010241- SKU:
- 09010241
- Availability:
- Ships Same Business Day
- Weight:
- 156.00 LBS
- DISPLACEMENT:
- 124'
- PISTON HEAD SHAPE:
- FLAT TOP
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- MODEL:
- T-SERIES
- STROKE LENGTH IMPERIAL:
- 4.625'
- UNITS:
- EACH
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- STYLE:
- HIGH COMPRESSION
- TYPE:
- LONG BLOCK
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95 -
On Sale
S&S CYCLE T111 Long-Block Engine 310-0830A
S&S CYCLE
MSRP: $8,295.95Now: $7,466.36Was: $8,295.95Upgrading from a stock engine means choosing between a tired rebuild or a purpose-built replacement—the S&S Cycle T111 Long-Block delivers measurable gains in horsepower and torque without requiring frame modifications or a complete electrical overhaul...09010242- SKU:
- 09010242
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 111'
- STROKE LENGTH IMPERIAL:
- 4.125'
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 9.8:1
- PISTON HEAD SHAPE:
- FLAT TOP
- MODEL:
- T-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
MSRP: $8,295.95Now: $7,466.36Was: $8,295.95 -
On Sale
S&S CYCLE T124 Series Engine 310-0831A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95The S&S Cycle T124 Series engine delivers the displacement and compression ratio your build needs to compete on the street. Rather than nursing a tired stock engine along, this all-new long block gives you genuine power gains and the reliability of...09010243- SKU:
- 09010243
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
- DISPLACEMENT:
- 124'
- PISTON HEAD SHAPE:
- FLAT TOP
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- MODEL:
- T-SERIES
- STROKE LENGTH IMPERIAL:
- 4.625'
- UNITS:
- EACH
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- STYLE:
- HIGH COMPRESSION
- TYPE:
- LONG BLOCK
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95 -
On Sale
S&S CYCLE T124LC Series Long Block Engine 310-0832A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95The S&S Cycle T124LC Series Long Block Engine delivers the low-end torque and reliability you need for street performance without sacrificing everyday rideability. At 10.2:1 compression, this 124-cubic-inch powerplant generates real-world horsepower and...09010244- SKU:
- 09010244
- Availability:
- Ships Same Business Day
- Weight:
- 156.00 LBS
- STYLE:
- LOW COMPRESSION
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- STROKE LENGTH IMPERIAL:
- 4.625'
- UNITS:
- EACH
- DISPLACEMENT:
- 124'
- MODEL:
- T-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95Qty in Cart: 0Quantity:Price:MSRP: $8,595.95Now: $7,736.36Was: $8,595.95Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Complete Engines
- Compatibility: Ensure the engine fits your Harley's chassis and model (e.g., stock frames for V80 or T124, Big Twin for P93). Use the vehicle selector for displacement (80"-143") and bolt-in designs to avoid frame modifications or fit issues.
- Type of Use: For street torque and cruising, opt for lower compression (e.g., T124LC 10.2:1); high-performance builds benefit from high compression (e.g., T124 10.8:1) for ultimate power in demanding rides.
- Components and Upgrades: Select long-block engines with Super Stock heads, forged pistons, high-flow oil pumps, and cams (e.g., 585/508/520). Add features like electronic ignition, Super E carb, or reed breather for enhanced reliability and HP/torque gains.
- Brand and Quality: Primarily S&S Cycle for dyno-proven, USA-made engines with CNC-machined heads and forged internals. Prioritize wrinkle black/silver/chrome finishes for heat resistance and stock-like aesthetics.
- Installation and Cost: Engines are ready-to-install with no fuel/ignition included; prices range from $7,099.95 for V80 to $11,495.95 for P93—factor in weight (148-162 lbs), shipping, and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models do these complete engines support? Engines are designed for Big Twin, Evolution, Shovelhead, and stock frames (e.g., V80 for 80" H-D replacements)—use the year/make/model filter for exact bolt-in compatibility.
- How do these engines improve performance? Features like forged pistons, Super Stock heads, and high-flow pumps provide +30% HP/torque over stock, with short strokes for less vibration and easy start cams for reliability.
- What is included in a long-block engine? Typically Super Stock heads, crankcases, oil pumps, cams, pistons, and valve train; no carb, ignition, or intake—check for specifics like 585 cam or 10:1 compression.
- Are these engines air-cooled? Yes, designed for air-cooled street riding with stock breathing systems and manifold compatibility for easy upgrades.
- What if an engine doesn't fit my Harley? Verify displacement, bore/stroke, and chassis compatibility before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore rebuild kits, pistons, gaskets, or cams in the Harley engine category to complement your complete engine upgrade.
