American Heritage Performance

American Heritage Performance LS & LT Engine Specialty Machine Shop
Worlds Fastest 427ci LS7 C6z06
F**k Around and Find Out

05/29/2026

Good to go or full rebuild?
This oil filter has less than 100 miles on it.
What are you doing next?
👇

05/27/2026

Catastrophic engine failure???
What's your guess as the cause of this noise? Comment below 👇

05/27/2026

Is the title "Master Tech" overrated?
Comment below what you think 🤔

05/09/2026

Valve guide issues? Not here. This is exactly how an LS7 is supposed to sound once the heads are actually fixed. No ticking, no drama—just a clean, quiet idle.

05/07/2026

FOR SALE: AHP Race-Spec 365ci L76 (SCCA GT2/ST Spec)

​Fresh off the dyno and ready for a new home. This is a zero-mile, ultra-high-revving race powerplant built in-house at American Heritage Performance. No lead times—this is crated and ready to ship worldwide.

​(Swipe to see the forged internals and hear it chop ➡️)

​The Numbers:

​Horsepower: 583 HP @ 7,400 RPM

​Torque: 468 TQ

​Redline: 8,000 RPM

​Compression: 11.5:1

​Note: Power is limited by SCCA GT2 class-spec cam; easily capable of more with a larger profile.

​The Build:

​Block: 365ci Aluminum L76

​Rotating Assembly: Fully Forged lightweight AHP Crank, Rods, and Ceramic Coated Pistons.

​Heads: AHP Stage 2 LS3 Cyl Heads with MS90 Valve Guides & Comp BSR Shaft Mount Rockers.

​Induction: AHP Ported Holley Hi-Ram, Holley Billet Rails, DW42 Injectors, & Nick Williams 103mm TB.

​Electronics/Oiling: 58x Crank Sensor / Wet Sump Oiling (Plug-and-play for most swaps).

​The Logistics:

​Condition: Brand New / Dyno Verified.

​Location: Harbor City, CA (90710).

​Shipping: Worldwide freight available.

​Price: $22,450

​This is a professional-grade, high-revving long block package. Whether you’re competing in SCCA or building the ultimate track/street weapon, this is the crate.

​Serious inquiries only. DM or email the shop to secure it.

07/26/2023

Another 1000rwhp LSA for who stays steady cranking out High HP CTSVs!!!

07/25/2023

Quick overheating diagnostic and fix along with an install on this C7z06

AHP Archangel LS7 Cylinder Heads with Moldstar90 Valve Seats & Guides!!!Fastest LS7 Cylinder Heads on the Planet!!!i.r.p...
07/25/2023

AHP Archangel LS7 Cylinder Heads with Moldstar90 Valve Seats & Guides!!!
Fastest LS7 Cylinder Heads on the Planet!!!i.r.p_tuning

07/03/2023

AHP 900+rwhp YSI Supercharged Grandsport Corvette built for roll racing!!!
Who wants to lime up 😁😄

06/26/2023

Honing a set of Archangel Moldstar90 Guides to perfection for the current world record holder .i.r.p_tuning

Address

25901 Belle Porte Avenue
Harbor City, CA
90710

Opening Hours

Monday 8:30am - 5:30pm
Tuesday 8:30am - 5:30pm
Wednesday 8:30am - 5:30pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 5:30pm

Telephone

+13103262399

Website

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