Harpers Performance

Harpers Performance 479-586-3732 Located in Powell mo
Specializing in ls and hemi performance
Cam swaps
Blower installs
Nitrous
Turbos
Gear swaps
Suspension

12/11/2024

a very tasteful and fun daily driver we put together awhile back with a list full of mmx parts including cam kit converter and stage 2 transmission!

we offer more than just performance needs we also specialize in cummins and mopar engines here we have a head gasket rep...
06/27/2022

we offer more than just performance needs we also specialize in cummins and mopar engines here we have a head gasket replacement on a ram 5500 contact us today for scheduling!

little Circle D Specialties converter action in a 6l80 to correct a bad tcc shutter for our good friend Aaron and as alw...
05/23/2022

little Circle D Specialties converter action in a 6l80 to correct a bad tcc shutter for our good friend Aaron and as always Tuned by JP got it shifting perfect

05/18/2022

our friends at Little Apple Inc. brought us there challenger and wanted so more power so we installed a modern muscle 6.4 bge equipped with there max effort v2 camshaft and ported heads paired that with a set of Stainless Works headers and a McLeod Clutches twin disk we then dropped the car off at Tuned by JP where he was able to lay down and impressive 506 hp and 522 ft lbs of torque

another set ultra sonic cleaned and flowed ready to go back home in a ls swapped chevelle thanks for the buisness steve!
09/03/2021

another set ultra sonic cleaned and flowed ready to go back home in a ls swapped chevelle thanks for the buisness steve!

08/30/2021

now offering injector cleaning and flowing 80 per set of 8

07/27/2021

T-Shirt proofs are in! Thanks to Cutting Loose Graphics for the kick ass artwork! We had so many people jump on board this year that we simply ran out of places to put people. Thankful for these great companies that support this race and the racers year in and year out!

M&M Audio Inc.
Kevin's Auto Repair
Hoss Motorsports/Mike Worthington
D & J Auto Sales of Joplin, Inc.
Cyndi's Loveable Huskies
Brandon Frieheit and Caleb Morgan
Hot Wired Auto Sales
WT Mustang
CP Concrete Works LLC
Festival Mexican Restaurant
Maverick AutoWerks
Quality Trailer Sales
Harpers Performance
Tim's Body & Glass
Mo-Kan Dragway

07/20/2021

mike reached out to us to swap his cam in his hemi 392 charger to the mmx max effort as well as send his heads off to be ported by Modern Muscle Xtreme

customer is sourcing his own tuning

01/15/2021

alex brought his 5th gen to us to install his Brian Tooley Racing stage 4 cam he had as well as a flex fuel sensor the car made an impressive 505whp and 481 tq with Tuned by JP doing his magic as always 🤘🏻💪🏻

We have our new fresh stickers in if your a customer of ours and would like one shoot us a pm and we will get you one th...
10/14/2020

We have our new fresh stickers in if your a customer of ours and would like one shoot us a pm and we will get you one thanks everyone!

Address

100 Main Street
Powell, MO
64861

Opening Hours

Monday 8am - 10pm
Tuesday 8am - 10pm
Wednesday 8am - 10pm
Thursday 8am - 10pm
Friday 8am - 10pm
Saturday 8am - 10pm
Sunday 8am - 10pm

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