
Stock LS3 · Factory Tune
Dyno curve — stock

Cam · Headers · Tune
Dyno curve — tuned
Same block. Different animal.
Pick your build. Read the spec sheet.
Every tier below is a real parts invoice — manufacturer part numbers, dyno-verified gains, and a price that doesn't change at the counter. Scroll down a tier when the numbers stop being enough.
Street
PackageDaily driver. Weekend warrior.
- Street drivability map
- Idle quality preserved
- AC & emissions safe
- Printout included
Strip
PackageCam, headers, and a tune that means it.
- Cam lope at idle
- Aggressive VE tables
- WOT fuel & spark optimized
- Dyno chart printout
Full Race
PackageRotating assembly. Max attack.
- Full teardown & assembly
- ARP hardware throughout
- Oil system upgrade
- Dyno certification sheet
* Power gains are wheel horsepower measured on Dynojet 224xLC. Results vary by engine condition, platform, and fuel quality. All builds include baseline and final dyno sheets.
The graph doesn't lie.
Before and after overlay — same engine, same day, same load cell. Every run is logged and printed. You leave with data, not promises.
Walked in at 376whp. Left at 441. The cam lope at idle draws a crowd at every cruise night.
Pulls a 10,000 lb trailer up Donner Pass without touching the brake. Before it was downshifting twice.
They tuned my E85 build with a custom cam grind. 512whp on a street car that idles under 900 rpm.
Build your order. Price updates live.
Select your platform and engine code. Add-ons stack on top. The number in amber is what you pay — no surprises at the counter.
Not sure what you need?
The guy with a numbers-matching '69 doesn't fill out a form. Drop your number and we'll call you back — usually within the hour during shop hours.
Mon–Fri 8am–6pm PT · Sat 9am–3pm PT
Rancho Cordova, CA 95742
Sat 9am–3pm