Banshee 421 Serval Cub Cylinder Big Bore Kit 4mm Stroker Top End Rebuild Kit
Banshee 421 Serval Cub Cylinder Big Bore Kit 4mm Stroker Top End Rebuild Kit
Banshee 421 Serval Cub Cylinder Big Bore Kit 4mm Stroker Top End Rebuild Kit
Banshee 421 Serval Cub Cylinder Big Bore Kit 4mm Stroker Top End Rebuild Kit

Banshee 421 Serval Cub Cylinder Big Bore Kit 4mm Stroker Top End Rebuild Kit

Regular price$2,783.00
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Shipping calculated at checkout.

  • NEW 421cc 68mm x 58mm CPI Serval Cub cylinder
  • Wiseco or Wossner 68mm Blaster Style forged pistons
  • Nitrite coated piston rings
  • Chrome wristpins
  • Circlips
  • Billet pump gas cool head domes
  • One piece Cub base gasket
  • Intake gaskets
  • Cool head oring kit
  • ARP 12 pt base nuts
  • Water jacket plugs
  • SKF wrist pin bearings
  • Titanium extended studs (replaces stud extenders)
  • Titanium cylinder and head stud and nut kit - LIFETIME WARRANTY*
  • Runs on pump or race gas
  • No case mods required

*Warranty: We stand behind all parts we sell 100%. If after installation there is an issue contact us for a warranty return.  This product is NOT DIY.  Over 99% of people in the world are not qualified to build an engine, and it is the responsibility of the person assembling and tuning the engine to make sure everything works correctly.  We ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic.  Warranty does not cover failure that is a result of improper installation, tuning, break in, or misuse.   STUD WARRANTY: If for any reason a stud fails during use, not installation, we will send a completely new stud kit.  No other parts or any labor are included, and it can not be converted to a refund or discount on any order.  Studs must be returned to us for inspection first.  CUB WARRANTY: If your Alpha Cub cylinder fails for any reason not related to installation, tuning, break in, or misuse we will fix the cylinder free of charge.  If it can not be fixed we will supply you with a new one.

We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.

We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.

Sold items are removed daily.

If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.

If you call we answer, if you text we respond, if you have a question we respond. Sometimes we sleep so it could be next morning but we will respond.

Thank you for shopping with us! We appreciate you!

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Cut em Up!

Dune Goons Rider ~ Breanna
Showing her personal style and cutting the shirts up to her liking. We don't mind one bit! Cut em Up!