Core Performance Inc

Categories

THE LS & LT

ENGINE AUTHORITY

From daily drivers to trophy trucks—we build the world's most reliable high-performance engines and mil-spec wiring harnesses.

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WORLDWIDE SHIPPING

Global delivery available.

MADE IN THE USA

Machined in-house.

EXPERT SUPPORT

Real builder advice.

DYNO PROVEN

Tested results.

Racing Engines

CORE TWIN TURBOCHARGED 425 LS3

CORE TWIN TURBOCHARGED 425 LS3

$1,000.00

CORE 425 LS3

CORE 425 LS3

$1,000.00

CORE TWIN TURBOCHARGED 440 RHS LS

CORE TWIN TURBOCHARGED 440 RHS LS

$5,000.00

CORE TWIN TURBOCHARGED 415 LS3

CORE TWIN TURBOCHARGED 415 LS3

$5,000.00

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Trusted by leading brands worldwide

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CORE PERFORMANCE

RACING ENGINES

Off-road vehicle in mid-air over a dirt jump with a desert landscape in the background.

CORE PERFORMANCE

SERVICES

NEW ARRIVALS & FEATURED

CORE GM WATER PUMP TOP FITTING -20AN LONG LS1/LS2/LS3/LS7 CHEVY

CORE GM WATER PUMP TOP FITTING -20AN LONG LS1/LS2/LS3/LS7 CHEVY

$34.99

CORE GM WATER PUMP TOP FITTING -16AN SHORT LS1/LS2/LS3/LS7 CHEVY

CORE GM WATER PUMP TOP FITTING -16AN SHORT LS1/LS2/LS3/LS7 CHEVY

$29.99

CORE GM WATER PUMP TOP FITTING -20AN SHORT LS1 /LS2/LS3/LS7 CHEVY

CORE GM WATER PUMP TOP FITTING -20AN SHORT LS1 /LS2/LS3/LS7 CHEVY

$29.99

FUEL INJECTOR CLINIC 1000CC LS1/LS6 FUEL INJECTORS SET OF 8

FUEL INJECTOR CLINIC 1000CC LS1/LS6 FUEL INJECTORS SET OF 8

$762.00

(909) 291-7550

sales@coreperformanceinc.com

725 S La Cadena Dr. Colton, CA 92324

Mon-Fri: 9AM-5PM Sat-Sun: Closed

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Environmental Mission Statement / Prop 65

⚠️ WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. For more information, see www.P65Warnings.ca.gov/motor-vehicle-parts.

© 2025 CORE PERFORMANCE. All Rights Reserved.

We're excited to announce the launch of Core Performance Inc.

Core Performance is a new company under new ownership, built around the same experienced team many customers have come to know through their work at CBM Motorsports.

While this is a new business, our focus remains the same — delivering the quality workmanship, performance expertise, and customer service our clients expect.

We appreciate your continued support and look forward to serving you as Core Performance Inc.