Esslinger SxS

Esslinger SxS Factory level engines and parts for the discerning racer and enthusiast

08/31/2026

Catching up on some dyno time on this desert race Pro R engine over the weekend…



Anyone need a set (or 4) of brand new Polaris Pro R OEM sparkplugs? We have 2 sets that have never been fired and 2 add...
08/21/2026

Anyone need a set (or 4) of brand new Polaris Pro R OEM sparkplugs? We have 2 sets that have never been fired and 2 additional sets that were run through a 20minute break-in cycle on our dyno and then removed.

Call the shop if you want a set!
#(909) 539-0544


How many of you know what this is all about?
08/19/2026

How many of you know what this is all about?


Another 2.0L Pro R desert engine all wrapped up and ready for the dyno before we head out tomorrow afternoon to go see a...
08/11/2026

Another 2.0L Pro R desert engine all wrapped up and ready for the dyno before we head out tomorrow afternoon to go see all of our customers racing Reno to Vegas



Up next in our assembly room is a Polaris Pro R H.O. engine. This one is for sale and will be available when we are don...
07/30/2026

Up next in our assembly room is a Polaris Pro R H.O. engine. This one is for sale and will be available when we are done with break-in on the dyno.

Build will include an upgrade to a Race Duty timingchain, our H.D chain guide hardware, our Super Damper with external triggerwheel, and these custom 13.5:1 JE Pistons . All the reliability upgrades plus the attention to detail that all of our builds get! Can be run on Polaris’ Pro R Factory H.O. tune, or we can supply fully tuned along with the custom John Reed Racing firmware to unlock the Factory Pro R’s MoTeC ECU.


Today we finish up tuning this brand new Pro R engine for Bryan McCormick . A few little driveability things to work o...
07/30/2026

Today we finish up tuning this brand new Pro R engine for Bryan McCormick . A few little driveability things to work on today then we’ll get it ready to pickup. This thing absolutely rips!


Congratulations Cj Greaves and crew on the Pro SxS win in Round 10 of the Championship Off-Road series today in Lena, Wi...
07/26/2026

Congratulations Cj Greaves and crew on the Pro SxS win in Round 10 of the Championship Off-Road series today in Lena, Wisconsin.

It’s been a battle this season and we are proud of the effort you and your team are putting in. Thanks for choosing for your Pro R! Can’t wait for Crandon now!


We may be a bit biased, but we think it looks pretty good!
07/25/2026

We may be a bit biased, but we think it looks pretty good!


Next up on the dyno is a little n/a bruiser. 300hp coming right up!
07/24/2026

Next up on the dyno is a little n/a bruiser.

300hp coming right up!


This head is for a 2.2L Pro R engine we’re building. Should be on the dyno soon. Only 3 engines ahead of it on the dyn...
07/22/2026

This head is for a 2.2L Pro R engine we’re building. Should be on the dyno soon. Only 3 engines ahead of it on the dyno schedule. It will be interesting to see how this one runs compared to our 2.0L Short Course Outlaw engine package that we’ll be running later this week.


Address

5946 Freedom Drive
Chino, CA
91710

Opening Hours

Monday 8:30am - 12pm
1pm - 5pm
Tuesday 8:30am - 12pm
1pm - 5pm
Wednesday 8:30am - 12pm
1pm - 5pm
Thursday 8:30am - 12pm
1pm - 5pm
Friday 8:30am - 12pm
1pm - 5pm

Telephone

+19095390544

Website

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