GPI LT1 / L86 / L83 Turbo Camshaft - LT Turbo STG1 (2016 - 2024 Camaro | 2014 - 2019 C7 Corvette) - LT-TC1
Street-Friendly Turbo Cam for Quick Spool & Strong Mid-Range
The GPI LT Turbo STG1 Camshaft (LT-TC1) is engineered as the ultimate street-performance turbo cam for Gen V LT engines including the LT1, L86, and L83 platforms. Designed for 6th Gen Camaro, C7 Corvette, and 2014+ GM trucks running appropriately sized turbochargers, this grind delivers fast spool, smooth drivability, and strong mid-range torque - all while retaining excellent street manners.
Ideal for low - moderate boost builds, STG1 offers a mild performance idle with exceptional response on the street. Performance improves even further with a higher stall converter, free-flowing exhaust, and upgraded valve springs & pushrods.
Performance Highlights
- Optimized for low - moderate boost turbo applications
- Mild performance idle with strong mid-range torque
- Fast spool characteristics for responsive street performance
- Excellent drivability with broad power under the curve
- Works with LT1, L86, and L83 Gen V LT engines
Quick Specs
- Part Number: LT-TC1
- Duration (Int/Exh): 218 / 226
- Valve Lift (Int/Exh): .630 / .612
- LSA: 113
- ICL: +4
- Required Upgrades: Valve springs & pushrods
Why Choose This Cam?
- Perfect for mild-to-moderate street turbo builds
- Great balance of drivability and power
- Proven results in Gen V LT turbo applications
- Designed by GPI - leaders in LT camshaft performance
Fitment
Each line represents a complete, individual fitment:
2016 Camaro (LT1)
2017 Camaro (LT1)
2018 Camaro (LT1)
2019 Camaro (LT1)
2020 Camaro (LT1)
2021 Camaro (LT1)
2022 Camaro (LT1)
2023 Camaro (LT1)
2024 Camaro (LT1)
2014 Corvette (LT1)
2015 Corvette (LT1)
2016 Corvette (LT1)
2017 Corvette (LT1)
2018 Corvette (LT1)
2019 Corvette (LT1)
2014 GMC Sierra (L83/L86)
2015 GMC Sierra (L83/L86)
2016 GMC Sierra (L83/L86)
2017 GMC Sierra (L83/L86)
2018 GMC Sierra (L83/L86)
2019 GMC Sierra (L83/L86)
2014 Chevrolet Silverado (L83/L86)
2015 Chevrolet Silverado (L83/L86)
2016 Chevrolet Silverado (L83/L86)
2017 Chevrolet Silverado (L83/L86)
2018 Chevrolet Silverado (L83/L86)
2019 Chevrolet Silverado (L83/L86)
FAQs
Does this cam work with stock converters?
Yes, but an upgraded stall converter will noticeably improve spool and overall performance.
What supporting mods are required?
Valve springs and pushrods are required. Free-flowing intake and exhaust are highly recommended.
Why Buy from Beefcake Racing?
We offer expert tech support, proven performance guidance, and fast shipping on all GPI products.
Call 1-855-827-7223 or email sales@beefcakeracing.com.
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