Hemifast Performance

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Hemifast Performance With over 30 years of hands-on experience with the Dodge brand, owner AJ Berge — 'HEMITUNERAJ' — is always on the cutting edge of GEN III HEMI tuning.

Next stop…. WORLD CUP!!!!🚀🏁
10/11/2026

Next stop…. WORLD CUP!!!!🚀🏁

In the pits at wwtraceway!🏁
10/11/2026

In the pits at wwtraceway!🏁

🚀🏁FOR SALE!!!! $65K each!Now’s your chance to get your hands on the baddest small-block Gen 3s on the planet!! We are mo...
10/09/2026

🚀🏁FOR SALE!!!! $65K each!

Now’s your chance to get your hands on the baddest small-block Gen 3s on the planet!! We are moving 2 of our NHRA-legal Factory Stock Showdown 366cid combos to make room for 2027!

These engines are supplied blower-to-oil-pan and are ready to run! Make no mistake, these are RACE-ONLY, 10,000 RPM engines that are completely fresh and produce 1,500–1,700 HP, depending on supercharger pulley.

Call/DM us for more details!

2 TRACKHAWK/TRX TRANSMISSIONS FOR SALE!! #1 – $5,600OEM 8HP95 TRX/Trackhawk transmission with converter. Fresh Sipple re...
10/08/2026

2 TRACKHAWK/TRX TRANSMISSIONS FOR SALE!!

#1 – $5,600
OEM 8HP95 TRX/Trackhawk transmission with converter. Fresh Sipple rebuild! No core charge, and we'll custom flash it to your VIN!

#2 – $3,000
OEM Trackhawk transmission with converter. High-mileage take-out from a 100% stock, never-tuned Trackhawk. No core charge, and we'll custom flash it to your VIN!

SOLD! Overstock Comp Cam Kit (New in Box) for 5.7L and 6.1L HEMI 2003-2008 MK112-303-11 $1,400 SHIPPED! This Cam package...
10/07/2026

SOLD! Overstock Comp Cam Kit (New in Box) for 5.7L and 6.1L HEMI 2003-2008
MK112-303-11

$1,400 SHIPPED!

This Cam package can add +79 HP! This has the best average torque and power of any sub .600" lift Gen III HEMI Cam tested. Runs great from 2500-6500 RPM. Designed to work with #26918 valve spring upgrade.

MK-Kit Includes: Cam #112-303-11, Lifters -16, pushrods #8720-16, Beehive Springs #26918-16, Steel Retainers #761-16, Locks #607-16, Spring Seats #4801-16, Valve Seals #532-16

So... we have yet to win a Wally, however, after setting the speed record with 2 cars in the last 2 consecutive events, ...
10/06/2026

So... we have yet to win a Wally, however, after setting the speed record with 2 cars in the last 2 consecutive events, we have clearly gotten enough attention to at least win a lead trophy! We truly do love this class! See you in Dallas! Whipple to the front!!!

Hemituner tuned only

10/05/2026

GO TIME!!!!!🚀🏁

Hemituner tuned only

10/04/2026

After a solid qualifying effort that unfortunately resulted in a catastrophic engine failure, we were able to get the car together with the backup engine but didn’t have enough runs to get it dialed in… we’ll be back!!!! 🏁

Hemituner tuned only

Still working out some bugs but we are really gaining on it!!!!🚀Hemituner tuned only
10/04/2026

Still working out some bugs but we are really gaining on it!!!!🚀

Hemituner tuned only

Still working harder… stay tuned!!!!Hemituner tuned only
10/03/2026

Still working harder… stay tuned!!!!

Hemituner tuned only

Address

West Babylon, NY

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+15166039276

Website

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