06+ TRX450R ER Engine Rebuild Kit w/ Crankcases – Honda Complete Motor Kit

06+ TRX450R ER Engine Rebuild Kit w/ Crankcases – Honda Complete Motor Kit

Regular price$2,772.00
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🛠️ 06+ TRX450R / TRX450ER Complete Engine Rebuild Kit with OEM Crankcases

Everything you need to bring your Honda TRX450R or TRX450ER engine back to life—including brand new OEM crankcases. This is the most complete top and bottom end rebuild kit available, built for serious riders and racers who want unmatched performance and durability.


✅ What’s Included:

  • NEW OEM crankcase set (left & right)

  • Aftermarket stock bore cylinder

  • Wiseco or CP forged piston (pump/race gas compatible)**

  • Hi-temp piston rings, chrome wrist pin, and circlips

  • Hotrods crankshaft with connecting rod

  • Heavy-duty main bearings

  • Counter balancer bearings

  • Transmission bearings

  • Shift cam bearing

  • Clutch arm needle bearings

  • Water pump bearing

  • Complete engine gasket kit (head, base, exhaust, case covers, pump covers)

  • MLS head gasket

  • Complete crankcase oil seal kit

  • Valve stem seals

  • Timing chain

  • Talon Heavy-Duty Clutch Kit (fibers, steels, springs)

  • K&N oil filter

  • NGK Iridium spark plug

  • Maxlock TITANIUM cylinder head stud kit – LIFETIME WARRANTY*!

  • Performance stickers

  • All parts are new and aftermarket unless otherwise noted


📦 Fitment:

Fits ALL 2006–2014 Honda TRX450R (Kick Start) and TRX450ER (Electric Start) models:

  • TRX450R Kick Start (2006–2009, 2012)

  • TRX450ER Electric Start (2006–2009, 2011–2014)

💬 Peace of Mind Fitment Check: Our expert tech team verifies every kit before it ships. Just enter your year/make/model at checkout—we’ll make sure it fits!


🛡️ Warranty Info:

  • 1-Year Limited Warranty on all parts

  • Forged internals rated for race or recreational use

  • Built for high compression performance with pump gas reliability

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.

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