Wonder Racing, LLC.

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Wonder Racing, LLC. Specializing in the modular engine platform. From Custom twin and single turbo kits to SRA swap.

Another day another set of seats. Oversized valves require oversized seats. The factory seats are not larger enough OD t...
06/06/2026

Another day another set of seats. Oversized valves require oversized seats. The factory seats are not larger enough OD to remove the heat properly and will lead to leakage at best. Dropping the seat at worst.

These heads got a fresh surface only needing .0015” cut on the Rottler to clean up.

New guides are sized and ready for the valve job in the morning. Topped off with final blending before assembly.



Monday is off to a great start finishing up seat and guide work on a set of Ford GT heads and a set of 4.6 C heads. New ...
03/30/2026

Monday is off to a great start finishing up seat and guide work on a set of Ford GT heads and a set of 4.6 C heads. New seats all the way around, new bronze guides in the GT heads, blended and a fresh valve job. Throughout the years we have tested and proven what these heads require to stand up to abuse and make great horsepower.


Another set of 4.6 heads ready to get strapped on in the assembly room. Fresh seats, new manley valves, our proven sprin...
02/17/2026

Another set of 4.6 heads ready to get strapped on in the assembly room. Fresh seats, new manley valves, our proven spring and retainer package set up for this customers application.

Contact us to take your build to the next platform with proven results.

Very excited to have Wonder Racing, LLC. back onboard with us for our first race of 2026!! I don't think I can imagine ...
01/12/2026

Very excited to have Wonder Racing, LLC. back onboard with us for our first race of 2026!! I don't think I can imagine a better way to kick the 2026 Racing Season off other than with the US Street Nationals at Bradenton Motorsports Park. The days are flying by so make sure you got your tickets for the second race of the Drag Illustrated Winter Series.

Another set of 5.4 GT500 heads on the Serdi for new exhaust seats and intake touch up for the best valve seal possible. ...
11/28/2025

Another set of 5.4 GT500 heads on the Serdi for new exhaust seats and intake touch up for the best valve seal possible. These heads don’t come off the machine until they are vaccum checked. They also got dry decked and fresh hoop grooves.

More high end builds rolling through the shop this week. Our new Probal 5000 from T&S has been a game changer on the spe...
11/18/2025

More high end builds rolling through the shop this week. Our new Probal 5000 from T&S has been a game changer on the speed and accuracy we can provide our customers with crankshaft balancing. Meanwhile the trusted Serdi keeps doing what it does best on these new alloy seats in a Gt500 race head. We finished the profile with a little blend into the chamber for the best possible flow into the chamber. We have tested multiple different sizes and alloys and we feel we use the best materials available for the best possible valve seal in the harshest conditions.

Contact us for proven results not just hype.

Some fresh for next weekends LDR race at for the street car shootout.
04/02/2025

Some fresh for next weekends LDR race at for the street car shootout.

For the Modular and Coyote guys running aluminum rods. Drilled in our jig for accuracy. You can choose from STD, STDX ...
11/19/2024

For the Modular and Coyote guys running aluminum rods. Drilled in our jig for accuracy. You can choose from STD, STDX (for .001" extra clearance), or mixed shells (for .0005" extra clearance). These are King 868XPN line of bearing. Always in stock ready to ship.

https://www.wonderracingllc.com/shop/dpqpxc4jguh1pmdl42n6l8wwvov4ca

Address

262 Old Route 217
Derry, PA
15627

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