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
2025-05-27 14:59:52
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
2025-03-07 20:49:21
True nickel
Recommended Products
GXYWADY Big Bore 355cc Cylinder Head Piston Top End Gasket Kit Replacement for Honda Rancher TRX350 TRX 350 2000-2006 Parts 12100-HN5-670

$181.11

$ 76 .99 $76.99

4.7
Select Option
NICHE Cylinder Piston Gasket Top End Rebuild Kit for Honda Rancher TRX420 2009-2018 12100-HP7-A00 12191-HP5-601

$94.95

$ 45 .99 $45.99

5.0
Select Option
100cc Bicycle Engine Kit 2 Stroke Motorized Bicycle Engine Motor Kit Gas Bicycle Engine Conversion Kit with Air-Cooling, Bike Motor Kit Fit for 26'-28' Bikes

$63.98

$ 27 .99 $27.99

4.5
Select Option
Tupo 150CC 57.4mm Big Bore Cylinder Piston Ring Gasket Top End Rebuild Kit Compatible with GY6 4 Stroke 152QMI 157QMJ Taotao Jonway Znen Roketa ATV Moped Go Kart

$25.67

$ 11 .99 $11.99

4.6
Select Option
labwork Cylinder Piston Gasket Kit Replacement for Yamaha Moto 4 Raptor 80 Badger 80 Grizzly 80 Replacement for 22K-11311-02-00 22F-11351-01-00

$35.85

$ 17 .99 $17.99

4.3
Select Option
NICHE Piston Cylinder Top End Kit for Polaris Magnum Ranger Sportsman 500 3085526 3085634

$114.95

$ 51 .99 $51.99

4.8
Select Option
49CC 50CC 2-Stroke Engine Motor for Mini Dirt Bike Pocket Bike ATV Scooters 49CC 2-Stroke Pull Start Gasoline Engine 50cc Dirt Bike Engine, 40mph (49CC 2-Stroke 1)

$49.99

$ 23 .99 $23.99

4.7
Select Option
Motoforti Racing Scooter Cylinder Big Bore Kit with 10mm Piston Pin for Yamaha Jog Zuma 2 Stroke 50cc for Minarelli 1E40QMB Engine 70cc

$39.49

$ 20 .99 $20.99

4.5
Select Option