Precision Race Components PRC-PKG260 LS3 Cylinder Heads

Transform your LS2 or LS3 engine with the Precision Race Components PRC-PKG260 6-Bolt 260cc Fully CNC Ported LS3 Heads. Assembled in the USA, these heads are engineered for serious performance, delivering an optimal flow that outperforms stock GM castings while maintaining smaller port sizes for enhanced velocity.

Why Upgrade to PRC-PKG260 Heads?

When you’re looking to push your vehicle’s performance, the PRC-PKG260 heads are a game-changer. Designed with a new 13-degree valve angle, these heads offer improved piston-to-valve clearance, allowing you to run higher compression ratios and larger camshafts without the hassle of cutting valve reliefs in your pistons. Keep in mind, for factory LS2 or LS3 short-blocks, the largest camshaft you can run is the 235/248 camshaft.

Key Features

• New PRC 13-Degree Valve Angle LS3 Castings
• Improved Piston-to-Valve Clearance for Extra Compression & Larger Camshafts
• Smaller Than Stock Intake Port Volume for Improved Port Velocity
• Stainless Steel Hollow Stem 2.185" Intake Valves & 1.60" Exhaust Valves
• Integrated Rocker Pedestals for Enhanced Stability
• TSP .660 Spring Kit with PAC Valve Springs & Titanium Retainers
• CHE Bronze Guides for Durability
• 68cc Combustion Chambers for Efficient Burning
• Completely Assembled in the USA

Fitment

The PRC-PKG260 heads are compatible with a variety of models, making them a versatile upgrade for your build:

• Cadillac CTS-V 2009-2015
• Cadillac Escalade 2005-2014
• Chevrolet Camaro 2010-2015
• Chevrolet Corvette 2005-2013
• Chevrolet Silverado 1500 1999-2013
• Chevrolet SS 2014-2017
• Chevrolet Suburban 2000-2014
• Chevrolet Tahoe 2000-2014
• Chevrolet Trailblazer 2006-2009
• GMC Sierra 1500 1999-2013
• GMC Yukon 1999-2014
• Pontiac G8 2008-2009
• Pontiac GTO 2004-2006
• Universal Retrofit 1997-2016

Important Notes

• Competition Use Only, Not Legal for Road Use
• If purchasing a Melling oil pump, a single-roller timing set is required; a double-roller timing set will not clear!

Customer Feedback

Chevrolet Camaro owners have praised the PRC-PKG260 heads, noting, “After installing these heads, I noticed a significant increase in throttle response and power. They fit perfectly and paired well with my 235/248 camshaft.”

Cadillac CTS-V drivers are equally impressed, stating, “The airflow improvement is noticeable on the dyno. These heads are a must for anyone serious about performance.”

For those ready to elevate their LS performance, the PRC-PKG260 heads are a smart investment, combining quality, performance, and value. Reach out to our sales team today to discuss how this upgrade can fit into your build!