Justune

Justune Justune 816-506-3515
(314)

Man this olds is so clean stock 5.3 on 87 Oct made 270 hp tuned by Justune with hp tuners
08/22/2026

Man this olds is so clean stock 5.3 on 87 Oct made 270 hp tuned by Justune with hp tuners

6.0 with a cam on 87 Oct made 330 hp tuned by Justune with hp tuners
08/22/2026

6.0 with a cam on 87 Oct made 330 hp tuned by Justune with hp tuners

19 v with cam/x port/cai/ flex with atlas on 15-16 # made 892 hp tuned by Justune with hp tuners
08/20/2026

19 v with cam/x port/cai/ flex with atlas on 15-16 # made 892 hp tuned by Justune with hp tuners

Before and after tune chopacobra cam on 87 Oct tuned by Justune with hp tuners
08/16/2026

Before and after tune chopacobra cam on 87 Oct tuned by Justune with hp tuners

M6 Camaro with built motor/f1a 25 # with port injection made 1206 hp tuned by Justune with hp tuners.
08/16/2026

M6 Camaro with built motor/f1a 25 # with port injection made 1206 hp tuned by Justune with hp tuners.

Clean ZL1 1le with pulley 12 #/x port/exhaust/btr3 cam on 93 made 700 hp tuned by Justune with hp tuners. Installed by k...
08/16/2026

Clean ZL1 1le with pulley 12 #/x port/exhaust/btr3 cam on 93 made 700 hp tuned by Justune with hp tuners. Installed by killer performance

Stock 6.4 on 91 made 420 hp tuned by Justune with hp tuners
08/16/2026

Stock 6.4 on 91 made 420 hp tuned by Justune with hp tuners

Clean ZL1 with pulley/cai/exhaust on flex made 648 hp tuned by Justune with hp tuners
08/16/2026

Clean ZL1 with pulley/cai/exhaust on flex made 648 hp tuned by Justune with hp tuners

Envoy with cam in for a street tune tuned by Justune with hp tuners
08/16/2026

Envoy with cam in for a street tune tuned by Justune with hp tuners

A4 Camaro with exhaust/slip lid made 342 hp tuned by Justune with hp tuners
08/10/2026

A4 Camaro with exhaust/slip lid made 342 hp 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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