3.2K views · 107 reactions | Listen in as GPI's Ryan Stevens talks...
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652 reactions · 345 shares | GPI L83 (5.3) Custom Hi Ram Heads and Cam Package!  | Gwatney Performance Innovation | Facebook
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3.5K views · 59 reactions | Owner Eddie Martinez. GPI Stage 3 High Lift L83 Camshaft kit equipped. Super clean truck! https://gwatneyperformance.com/product/gpi-l83-high-lift-cam-install-package-2014-5-3l-direct-injected-gm-truck/ | Gwatney Performance Innovation | Facebook
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3.3K views · 73 reactions | Another nice truck build! GPI Stage 3 L83 high lift cam kit. L86 intake setup, E85, headers, and a killer converter we have been having Circle D Specialties do for us! https://gwatneyperformance.com/product/gpi-l83-high-lift-cam-install-package-2014-5-3l-direct-injected-gm-truck/ https://gwatneyperformance.com/product/circle-d-6l8090-pro-series-single-disk/ | Gwatney Performance Innovation | Facebook
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3.3K views · 73 reactions | Another nice truck build! GPI Stage 3 L83 h…
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