Justune

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Justune Justune 816-506-3515
(314)

10/16/2026

Just a heads up for anyone needing a tune or thinking about a tune. I will be going out of town for bow season from November 1st through the 14th. Just a heads up. Hope everybody has a good weekend. Justune

6.0 truck came in making 218 hp left making 248 hp all stock tuned by Justune with hp tuners
10/02/2026

6.0 truck came in making 218 hp left making 248 hp all stock tuned by Justune with hp tuners

Very cool monte ls swap with Procharger 5 # made 500 hp tuned by Justune with hp tuners
10/02/2026

Very cool monte ls swap with Procharger 5 # made 500 hp tuned by Justune with hp tuners

Auto c5 stock with muffler delete made 320 hp tuned by Justune with hp tuners
10/02/2026

Auto c5 stock with muffler delete made 320 hp tuned by Justune with hp tuners

5.7 challenger with stg2 cam/exhaust made 404 hp tuned by Justune with hp tuners
10/02/2026

5.7 challenger with stg2 cam/exhaust made 404 hp tuned by Justune with hp tuners

Vette cart in for a tune tuned by Justune with hp tuners
10/02/2026

Vette cart in for a tune tuned by Justune with hp tuners

Very cool ls swap in for a tune tuned by Justune with hp tuners
10/02/2026

Very cool ls swap in for a tune tuned by Justune with hp tuners

Cool obs truck with a ls swap and a whipple in for a tune tuned by Justune with hp tuners
10/02/2026

Cool obs truck with a ls swap and a whipple in for a tune tuned by Justune with hp tuners

Cool 6.0 rambler with a magnacharger tuned by Justune with Holley efi
09/17/2026

Cool 6.0 rambler with a magnacharger tuned by Justune with Holley efi

Check this sweet ls swap out 4.8 with a cam tuned by Justune with hp tuners
09/17/2026

Check this sweet ls swap out 4.8 with a cam tuned by Justune with hp tuners

Address

1213 NE Pamela Boulevard
Grain Valley, MO
64029

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm
Saturday 10am - 5pm
Sunday 10am - 5pm

Telephone

+18165063515

Website

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