Shopping Cart

Your cart is empty.

Your cart is empty.

NICKEL TWO 2 STROKE TOP END MOTORCYCLE ENGINE CYLINDER HEAD ACORN CAP FLANGE NUTS BOLT KIT HONDA CR KAWASAKI KX YAMAHA YZ SUZUKI RM TRX250R ATC250R LT250R LT500R 85 125 250

4.9 (2) Write Review
Free shipping on orders over $29.99

$19.99

$ 8 .99 $8.99

In Stock
  • Comes with 7 Chrome M8 Tall Acorn Flange Nuts. More that enough for most 2 stroke Dirt Bike or ATV engines.
  • You get 7 Matched 1.5mm thick M8 copper sealing washers. Perfect seal when using "o" rings vs head gasket.
  • Cylinder base nuts can be either 8mm or 10mm. This kit gives you both. This will cover over 99% of all 2-stroke motorcycle and ATV engines. These are also super strong Class 10 nuts that will not strip or round off!
  • Some cylinders and heads use M6 drain bolts to bleed air from coolant. We give you 2 in this kit along with reusable copper drain washers.
  • This universal kit is designed to save big money on purchasing cylinder bolts individually.
  • This kit is an upgrade over OEM. No expense was spared in these high quality aftermarket top end nut kits.
  • Can be used for all Japanese brands such as Yamaha Kawasaki Suzuki & Honda on engines from 60cc up to 500cc. One exception is Kawasaki's KX500 engine that uses a staggering 9 head nuts! If you have engine give us a call and well sort it out no charge.


This 2-stroke cylinder and head install kit fits 60cc through 500cc dirt bike and ATV engines. Comes with: 7 Tall M8-1.25 Chrome Acorn Cap Flange Nuts (15mm depth) 7 M8x17 Copper Sealing Washers (1.5mm thickness) 4 M10-1.25 Flange Nuts and 4 M8-1.25 Flange Nuts in NICKEL Finish (Class 10) 2 M6x10-1.0 OEM Black Hex/Phillips Drain Bolts with 2 matching M6x12 Copper Crush Washers Enough to mount your Two Stroke cylinder and head on most any model.


KiriyaAoi
May 27, 2025
Does what it says on the tin, comes with good quality components, and as advertised fits just about anything. Fits my 2001 Suzuki Quadrunner LT-F250F ATV.
Lorenzo
March 8, 2025
True nickel
Recommended Products
Glixal ATMT1-008 Performance Big Bore Cylinder Kit GY6 80cc 47mm for 139QMB ATV Scooter Moped Go Kart

$25.99

$ 10 .99 $10.99

4.4
Select Option
Top End Kit 92mm Cylinder Piston Cam Chain & Tensioner For Polaris Sportsman 500 HO 4x4 6X6 Ranger Scrambler 500 1996-2012

$106.99

$ 43 .99 $43.99

4.3
Select Option
110CC Kick-Start Engine Kit, Engine Motor Kit 4-Speed Engine Replacement Set, Portable ATV Pit Dirt Bike Engine Motor Manual Transmission for HONDA CRF50 / CRF70 / XR50 / XR70

$167.99

$ 69 .99 $69.99

5.0
Select Option
Sange 2 Stroke Cycle Petrol Bike Gas Motor Conversion Kit Air Cooling Motorized Engine Kit (80cc,Red)

$111.99

$ 53 .99 $53.99

4.9
Select Option
IMAYCC Bike Motor Kit 80cc Motorized Bike Kit 2 Stroke Bicycle Engine Kit with Wired Digital Computer Fit for 26-28' Bikes

$139.99

$ 54 .99 $54.99

4.8
Select Option
NICHE Cylinder Piston Gasket Top End Rebuild Kit for Honda Rancher TRX350 12100-HN5-670 13010-HN5-671

$82.95

$ 35 .99 $35.99

4.5
Select Option
Polaris OEM Fluid & Oil Change Kit Air Filter Spark Plugs 2014-19 RZR XP & XP 4 1000

$180.93

$ 80 .99 $80.99

4.7
Select Option
Bicycle Motor Kit 100cc 2 Stroke Engine Motorized Bike Motor Kit for 26'-28' Bicycles Petrol Gas Powered Bike Motor Kit Upgrade with Digital Speedometer & 3L Fuel Tank

$149.99

$ 72 .99 $72.99

4.9
Select Option