Mp Performance Engines

Mp Performance Engines Powersports Machine shop. Crank rebuilds,cylinder head work, engine rebuilds, suspension, porting, cylinder boring, cylinder replating, case repair, Parts!

Poor Trx450r. This motor blew the crank, damaged the inside of cases pretty back, was a huge chunk missing/cracked on th...
07/14/2026

Poor Trx450r. This motor blew the crank, damaged the inside of cases pretty back, was a huge chunk missing/cracked on this bottom inside section of case, we built it up, then machined inside of case. We’re getting there, still a bunch of work to do to the other case and this case, but we are getting them right. V***rblasted and all new oem bearings.

Old powroll raptor 660 head, this came off a massive big bore stroker engine, said to be around 765cc. This if you know ...
07/14/2026

Old powroll raptor 660 head, this came off a massive big bore stroker engine, said to be around 765cc. This if you know anything about ATV history is a very special build, we will save this! Serious pitting and chamber deterioration. This machine sat for 24 years. Time to work my magic, stay tuned for final product.

07/14/2026

Yfz450. V***r blasted, fly cut, seats cut, bronze exhaust guides, stainless swap w/springs, seal kit, shimmed and loaded ready to go.

2014 yz450f. V***r blasted crank cases, freshly machined cylinder head with valves and seals, fresh rebuilt crank with p...
07/06/2026

2014 yz450f. V***r blasted crank cases, freshly machined cylinder head with valves and seals, fresh rebuilt crank with pro-x rod. All wrapped up, packed up,and on there way!

07/06/2026

Little yz450f v***r blasting, nothing like a fresh rebuild with clean cases

07/06/2026

2014 yz450f refresh

2007 kawi head came in a little rough, left ready to bolt and hurt some feelings.
07/03/2026

2007 kawi head came in a little rough, left ready to bolt and hurt some feelings.

This rzr head got wrapped up Friday and mailed out, relaxed this weekend (sort of ), back to the grinding stone tomorrow...
06/29/2026

This rzr head got wrapped up Friday and mailed out, relaxed this weekend (sort of ), back to the grinding stone tomorrow morning. Busy week ahead, let’s get it!

First head on the serdi since the move. RZR1000 getting the love, bronze guides, seats recut, valves, fly cut, v***r bla...
06/24/2026

First head on the serdi since the move. RZR1000 getting the love, bronze guides, seats recut, valves, fly cut, v***r blasted etc.

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Mail Order Only
Carver, MA
02718

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

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