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Precision Race Components CNC-Ported Gen 5 LT1 & LT4 Heads & Camshaft Package, Customer Supplied Heads for Porting

$1,749.99
DISCLAIMER: There is a known issue with factory GM LT cylinder head castings causing the factory valve seats to fall out. A valve seat failure will result in a damaged head and possibly a catastrophic, irreparable engine failure. It is common enough to warrant discretion when using factory GM LT cylinder head castings.

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Selected Size Sold Out! Pre-order Now - Shipping June 2018
SKU: 199-2014LT1PkgCust
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  • DISCLAIMER: There is a known issue with factory GM LT cylinder head castings causing the factory valve seats to fall out. A valve seat failure will result in a damaged head and possibly a catastrophic, irreparable engine failure. It is common enough to warrant discretion when using factory GM LT cylinder head castings. Texas Speed and Performance assumes no liability in regards to this issue since it is a factory defect. Due to this, we highly recommend purchasing a set of our aftermarket LTx cylinder heads. This disclaimer applies to all GM LT cylinder heads, regardless if you purchase them from TSP or if you supply them for us to port. Our gen 5 LT1 cylinder heads and camshaft package is a must for the enthusiast looking to use the full potential of their 6.2L LT1 engine! The TSP heads/cam package will include the following items: Precision Race Components CNC-Ported Gen 5 LT1 or LT4 Cylinder Heads, On Exchange TSP .660" Dual Valve Spring Kit with Titanium Retainers & PAC Racing Valve Springs Installed on Cylinder Heads Your Choice of TSP LT1VVT Camshafts Set of 16 TSP Hardened Chromemoly Pushrods Phaser Lock Out Kit This package will include heads that you send to us for machining. All of our TSP LT1 camshafts were designed on our SuperFlow 902 engine dyno using an otherwise stock 6.2L LT1 engine. We design and test many different camshafts and cylinder head designs before selecting the parts that we offer to our customers. This provides us with a distinct advantage of offering the best power curve possible without sacrificing overall performance, as well as knowing that what we offer is also safe and will not have any piston-to-valve clearance issues. Our PRC ported cylinder heads are extensively developed and tested by the top cylinder head porters in the country! We test our products before we sell them, so you KNOW that you are purchasing a heads/cam package that is proven! 100+ HP gains can be seen with the appropriate corresponding modifications! The gen 5 LT1 engine utilizes Variable Valve Timing (VVT) controlled via a cam phaser. A cam phaser is a computer-controlled cam gear that automatically optimizes camshaft timing based on the current engine RPM. While this technology provides tremendous efficiency benefits, it presents a challenge when designing performance cams due to the wide range of valve timing movement and constantly changing piston-to-valve clearance. With the help of Texas Speed's Superflow 902 engine dyno, we are able to custom-design camshafts and phaser tuning tables to allow our gen 5 LT1 customers the ability to purchase the ultimate in L99 performance camshafts! Thanks to the Superflow 902 dyno, Texas Speed is the only company that currently offers a VVT camshaft with a phaser table included to properly tune the camshaft phaser once it's installed in your 2014+ Corvette!

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