Harley Piston and Ring Kits
Harley Bike Piston & Ring Kits at JJ Motorsports
Rebuild your Harley's top end with premium piston and ring kits from JJ Motorsports, featuring forged aluminum pistons with high-performance rings for increased compression and durability on Big Twin, Evo, Twin Cam, and Sportster engines. These kits deliver reliable power and long-lasting performance.
Shop KB Performance, Wiseco, and Revolution Performance piston kits for race-proven quality. Explore related categories such as Harley engine for gaskets and rebuilds, or Harley for cams and heads to complete your top-end refresh.
Top Harley Piston & Ring Kits
- KB Performance Super Duty Piston KB660LCA-STD – Forged super-duty piston with rings for 660cc; ideal for high-compression Evo builds.
- Wiseco Piston Kit with Gasket VM Ring VT2719 – Complete Wiseco kit for Twin Cam; includes rings and gaskets for reliable top-end power.
- Revolution Performance LLC Piston Kit RP301-601W – 601cc piston kit with wrist pin; forged for Sportster performance upgrades.
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
-
Wiseco Piston Kit 114ci 2017-2021 Harley-Davidson K2785
WISECO
$576.95If you're pushing your M8 to its limits, stock pistons won't cut it. The Wiseco K2785 kit is engineered for sustained high-rpm performance and reliability when it matters most—delivering a 11:1...09031552- SKU:
- 09031552
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- BORE SIZE IMPERIAL:
- 4.080'
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.143'
- DISPLACEMENT:
- 1875 CC
- PISTON MATERIAL:
- ARMORX™
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE - OVERSIZE:
- +0,143'
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
$576.95 -
Wiseco Piston Kit 117ci 11:1 Compression for Harley-Davidson FLHTKL 2017-2019 K2799
WISECO
$576.95If you're building or rebuilding an M8-powered Harley-Davidson, piston quality directly impacts throttle response, reliability, and longevity under load. The Wiseco K2799 delivers the compression...09031553- SKU:
- 09031553
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- BORE - OVERSIZE:
- +0,190'
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- ARMORX™
- UNITS:
- KIT
- PISTON HEAD SHAPE:
- FLAT TOP
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- SKIRT COATING:
- ARMORFIT™
- BORE OVERSIZE - IMPERIAL:
- +0.190'
- BORE SIZE IMPERIAL:
- 4.125'
- DISPLACEMENT:
- 1918 CC
$576.95 -
REVOLUTION PERFORMANCE, LLC Piston Kit RP301-116W
REVOLUTION PERFORMANCE, LLC
$495.95A high-performance piston kit demands precision engineering and materials that can handle extreme combustion pressures without sacrificing reliability. The Revolution Performance RP301-116W delivers...09106372- SKU:
- 09106372
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 107'
- BORE SIZE IMPERIAL:
- 3.937'
- PISTON HEAD SHAPE:
- FLAT TOP
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COMPRESSION RATIO IMPERIAL:
- 10.1:1
- UNITS:
- KIT
$495.95Qty in Cart: 0Quantity:Price:$495.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Piston Kit RP301-120W
REVOLUTION PERFORMANCE, LLC
$495.95If you're serious about maximizing horsepower while maintaining ring seal integrity under extreme boost and high RPM conditions, a quality forged piston kit is non-negotiable. The REVOLUTION...09106374- SKU:
- 09106374
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.6:1
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.060'
- DISPLACEMENT:
- 113'
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
$495.95Qty in Cart: 0Quantity:Price:$495.95Subtotal: -
Wiseco Piston Kit XL 1200 1996-2003 K1688
WISECO
$409.95Whether you're rebuilding a tired top-end or pushing into overbore territory, the Wiseco Piston Kit K1688 delivers the forged strength and precision engineering required for reliable, sustained...09030148- SKU:
- 09030148
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- BORE - OVERSIZE:
- +0,030'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.498'
- PISTON MATERIAL:
- FORGED
$409.95Qty in Cart: 0Quantity:Price:$409.95Subtotal: -
Wiseco 1988-2003 Harley-Davidson Sportster 1200 XLH Piston Kit K1685
WISECO
$447.95When you're ready to extract genuine performance gains from your 1200 Sportster, piston quality becomes non-negotiable. The Wiseco K1685 delivers the strength and precision needed for a reliable...K1685- SKU:
- K1685
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- BORE SIZE IMPERIAL:
- 3.498'
- TYPE:
- TOP END
- UNITS:
- EACH
$447.95Qty in Cart: 0Quantity:Price:$447.95Subtotal: -
Wiseco Piston Kit 1984-1999 Harley-Davidson FLHRI Road King Classic K1665
WISECO
$447.95A worn or damaged top end forces you to choose between costly downtime and compromised performance. The Wiseco K1665 Piston Kit delivers a complete, engineered solution for overboring or full top-end...K1665- SKU:
- K1665
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.498'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 1340 CC
$447.95 -
Wiseco Piston Kit 1978-1984 Harley-Davidson Electra Glide FLH High Compression K1627
WISECO
$422.95If you're rebuilding a 1978-1984 Harley-Davidson Big Twin, you need pistons engineered to handle sustained high RPMs and heat cycles without compromise. The Wiseco K1627 High Compression Piston Kit...K1627- SKU:
- K1627
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE - OVERSIZE:
- +0,040'
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- DISPLACEMENT:
- 1367 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE SIZE IMPERIAL:
- 3.537'
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
$422.95Qty in Cart: 0Quantity:Price:$422.95Subtotal: -
Wiseco Piston Kit for 1986-2003 Kawasaki ZG1200 Voyager 1196cc K1662
WISECO
$447.95A top-end rebuild on your ZG1200 Voyager demands precision components that can handle sustained power delivery without compromise. Wiseco's forged piston kit delivers the strength and reliability...K1662- SKU:
- K1662
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BORE - OVERSIZE:
- +0,020'
- PISTON MATERIAL:
- ALUMINUM
- TYPE:
- TOP END
- BORE SIZE IMPERIAL:
- 3.498'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
$447.95 -
Wiseco Piston Kit 1995-2003 Harley-Davidson XL1200 3.498" Bore .010" Over K1686
WISECO
$447.95Whether you're rebuilding a tired top-end or taking your XL1200 to the next displacement level, the Wiseco K1686 piston kit delivers the precision engineering needed for sustained power gains and...09030147- SKU:
- 09030147
- Availability:
- Ships Same Business Day
- Weight:
- 2.34 LBS
- DISPLACEMENT:
- 1200 CC
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.508'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
$447.95Qty in Cart: 0Quantity:Price:$447.95Subtotal: -
Wiseco Piston Kit with Gasket for 1999-2006 Harley-Davidson Road King FLHR VT2711
WISECO
$659.95A top-end rebuild demands precision components that can handle sustained RPMs and thermal stress. The Wiseco Piston Kit delivers exactly that—forged high-silicon aluminum pistons engineered for...09030789- SKU:
- 09030789
- Availability:
- Ships Same Business Day
- Weight:
- 4.12 LBS
- BORE - OVERSIZE:
- +0,010'
- TYPE:
- TOP END
- UNITS:
- EACH
- DISPLACEMENT:
- 1554 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PRODUCT NAME:
- REBUILD KIT
$659.95Qty in Cart: 0Quantity:Price:$659.95Subtotal: -
Wiseco Piston Kit 2004-2017 Harley-Davidson XL1200 0.020" K1748
WISECO
$424.95A top-end rebuild demands precision components that can handle sustained performance demands, and the Wiseco Piston Kit delivers exactly that. This complete kit eliminates the guesswork of sourcing...09030585- SKU:
- 09030585
- Availability:
- Ships Same Business Day
- Weight:
- 2.24 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- DISPLACEMENT:
- 1200 CC
- BORE - OVERSIZE:
- +0,020'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE IMPERIAL:
- 3.498'
- TYPE:
- TOP END
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
$424.95Qty in Cart: 0Quantity:Price:$424.95Subtotal: -
Wiseco Piston Kit 1972-1985 Harley-Davidson Sportster XLH K1604
WISECO
$344.95When you're rebuilding a classic Sportster or pushing for higher displacement, piston quality directly impacts engine longevity and reliability. The Wiseco K1604 kit gives you forged pistons...K1604- SKU:
- K1604
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 1022 CC
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- BORE - OVERSIZE:
- +0,040'
- BORE SIZE IMPERIAL:
- 3.228'
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
$344.95Qty in Cart: 0Quantity:Price:$344.95Subtotal: -
Wiseco Piston Kit 1948-1964 Harley-Davidson FLHFB Electra Glide K1606
WISECO
$378.95A top-end rebuild is the foundation of reliable, high-performance motorcycle operation—and this Wiseco Piston Kit gives you everything needed for a professional-quality job. Whether you're restoring...K1606- SKU:
- K1606
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- DISPLACEMENT:
- 1213 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- BORE SIZE IMPERIAL:
- 3.447'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- STREET
$378.95 -
Wiseco Piston Kit 1978-1984 Harley-Davidson FLH K1615
WISECO
$384.95A top-end rebuild on your classic Big Twin demands pistons engineered for reliability and performance—and Wiseco's high-silicon aluminum construction delivers both. This complete kit eliminates the...K1615- SKU:
- K1615
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- BORE - OVERSIZE:
- +0,020'
- DISPLACEMENT:
- 1353 CC
- COMPRESSION RATIO IMPERIAL:
- 7.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- FORGED
- BORE SIZE IMPERIAL:
- 3.518'
$384.95Qty in Cart: 0Quantity:Price:$384.95Subtotal: -
On Sale
S&S CYCLE Piston Kit 106-0434
S&S CYCLE
MSRP: $467.95Now: $421.16Was: $467.95If you're running a Big Twin and want measurable power gains without an engine swap, displacement increase is one of the most cost-effective paths forward. The S&S CYCLE 1250cc piston kit transforms...09105022- SKU:
- 09105022
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- DISPLACEMENT:
- 103'
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,010'
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.875'
- PISTON HEAD SHAPE:
- FLAT TOP
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- TYPE:
- REPLACEMENT
MSRP: $467.95Now: $421.16Was: $467.95Qty in Cart: 0Quantity:Price:MSRP: $467.95Now: $421.16Was: $467.95Subtotal: -
On Sale
S&S CYCLE Piston Kit 106-5498
S&S CYCLE
MSRP: $479.95Now: $431.96Was: $479.95When you're building or rebuilding a high-performance engine, your pistons are the foundation of reliability and power output. The S&S Cycle 106-5498 delivers forged strength with modern alloy...09101921- SKU:
- 09101921
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 8.0:1
- DISPLACEMENT:
- 74'
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.4675'
- TYPE:
- LOW COMPRESSION
- BORE - OVERSIZE:
- +0,030'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
MSRP: $479.95Now: $431.96Was: $479.95Qty in Cart: 0Quantity:Price:MSRP: $479.95Now: $431.96Was: $479.95Subtotal: -
On Sale
S&S CYCLE Piston Kit 106-5506
S&S CYCLE
MSRP: $469.95Now: $422.96Was: $469.95A quality piston kit is the foundation of engine reliability and performance longevity. The S&S Cycle 106-5506 delivers forged construction that withstands extreme combustion pressures while modern...09101930- SKU:
- 09101930
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- BORE - OVERSIZE:
- +0,030'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.4675'
- DISPLACEMENT:
- 74'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- TYPE:
- HIGH COMPRESSION
MSRP: $469.95Now: $422.96Was: $469.95Qty in Cart: 0Quantity:Price:MSRP: $469.95Now: $422.96Was: $469.95Subtotal: -
On Sale
Wiseco Piston Kit 121" 4.135" Bore 2017-2021 Harley-Davidson FLHR K2806
WISECO
MSRP: $576.95Now: $446.00Was: $576.95If you're serious about extracting maximum power from your M8 engine, a quality piston kit is non-negotiable. The Wiseco K2806 delivers the compression ratio and durability your 121" big-bore...09031680- SKU:
- 09031680
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- SKIRT COATING:
- ARMORFIT™
- DISPLACEMENT:
- 121'
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- UNITS:
- KIT
- PISTON MATERIAL:
- ARMORX™
- BORE SIZE IMPERIAL:
- 4.135'
- COMPRESSION RATIO IMPERIAL:
- 11.3:1
MSRP: $576.95Now: $446.00Was: $576.95 -
On Sale
Wiseco Piston Kit 107ci 11:1 Compression for Harley-Davidson 2017-2021 K2784
WISECO
MSRP: $524.95Now: $446.00Was: $524.95If you're looking to unlock more power from your M8 without sacrificing reliability, this Wiseco piston kit delivers the compression and durability you need. The 11:1 compression ratio produces...09031551- SKU:
- 09031551
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.937'
- DISPLACEMENT:
- 1746 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- SKIRT COATING:
- ARMORFIT™
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON HEAD SHAPE:
- DOMED
- PISTON MATERIAL:
- ARMORX™
MSRP: $524.95Now: $446.00Was: $524.95Qty in Cart: 0Quantity:Price:MSRP: $524.95Now: $446.00Was: $524.95Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Piston and Ring Kits
- Compatibility: Match kits to your Harley's engine type (e.g., Big Twin, Twin Cam, Sportster, M8) and model (e.g., FLHR Road King 1984-1998, XLH1200 Sportster 1988-2003, FLST Heritage Softail 2006). Use the vehicle selector for year-specific fits, including bore oversizes (+0.005" to +0.188") and displacements (1200cc-1353cc) to ensure precise rebuilds without modifications.
- Type of Use: For high-performance or street builds, select forged kits with high compression (10.0:1-11.1:1) for power gains; standard rebuilds benefit from super-duty options with skirt coatings for quiet operation and durability in touring or daily riding.
- Components and Upgrades: Choose kits including pistons, rings, pins, clips, and sometimes gaskets; upgrade to ArmorGlide/ArmorFit coatings for reduced friction and zero clearance install. Focus on high-silicon aluminum alloys for strength and reliability.
- Brand and Quality: Opt for Wiseco for forged aluminum kits with advanced coatings and high compression, or KB Performance for super-duty pistons with skirt technology. Prioritize OEM-matching quality for long-lasting performance and precise fits.
- Installation and Cost: Kits are designed for DIY or professional top-end rebuilds with basic tools; prices range from $307 for standard kits to $659 for premium options with gaskets—factor in expert support and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and engines do these piston and ring kits support? Kits are compatible with Big Twin (e.g., Road King 1984-1998), Sportster (e.g., XLH1200 1988-2003), Twin Cam (e.g., Heritage Softail 2006), and M8 (e.g., Street Glide ST 2022-2023)—use the year/make/model filter for exact matches.
- How do forged pistons improve engine performance? Forged aluminum pistons (e.g., Wiseco) with high-silicon alloys and coatings reduce friction, enhance strength, and support higher compression for better power and efficiency in rebuilds.
- What is typically included in a kit? Most kits include pistons, rings, pins, spiral-lock clips, and sometimes gaskets (e.g., Wiseco VT2719); check details for oversize options and top-end components.
- Are these kits suitable for oversize bores? Yes, available in standard to +0.188" oversizes for bored engines, with compression ratios from 9.0:1 to 11.1:1 for custom builds.
- What if a kit doesn't fit my Harley? Verify bore size, displacement, and model before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore gaskets, cylinders/heads, bearings/seals, or full rebuild kits in the Harley engine category to complete your top-end refresh.
