Brawler LS3 Style CNC Ported Cylinder Heads w/ TSP .660" Spring Kit and Titanium Retainers

Brawler LS3 Style CNC Ported Cylinder Heads w/ TSP .660

Brawler LS3 Style CNC Ported Cylinder Heads w/ TSP .660" Spring Kit and Titanium Retainers

- % OFF
  • Competition Use Only, Not Legal for Road Use

  • Details

  • Return Policy

Introducing our Brawler Series CNC LS3 Heads! Our goal with the Brawler series cylinder heads are to provide a standardized on the shelf, in-stock cylinder head that can ship out very quickly and to provide our customers with an incredible bargain!

If you are looking for a great replacement/upgraded LS3-style cylinder head, look no further than these fully CNC ported Brawler cylinder heads!

These are inspired from a factory GM LS3 cylinder head casting but with our tried and true CNC porting program. Equipped with our Stainless Steel valves and TSP/PAC Dual .660 Spring kit with Titanium Retainers, this new cylinder head option provides maximum value for customers wanting to upgrade from stock cylinder heads on a budget. 



  • Same CNC Porting As GM PRC Ported LS3 Heads (257cc Intake port)
  • CNC 5-Angle Valve Job
  • 68cc Combustion Chamber
  • TSP/PAC .660 Spring Kit
  • TSP Titanium Retainers
  • TSP Stainless Steel Valves 2.165" Hollow Stem intake, 1.60" stainless exhaust
  • Fully Assembled and Tested

Return Policy for The RPM Store

Thank you for choosing The RPM Store. Our return policy is designed to provide clarity and fairness to our valued customers.


Eligibility for Return:

Standard items are eligible for return within 30 days from the delivery date. However, customized items, including electrical components, are not eligible for return. We believe in transparency regarding the return eligibility of our products.


Final Sale and Exclusions:

All purchases at The RPM Store are considered final, and no partial refunds or exchanges will be considered. Customized items, especially those involving electrical components, fall under this category and are exempt from the standard return policy.


Refund Process:

For eligible returns, refunds will be processed within 2-4 weeks from the date the returned item is received. We appreciate your patience as we ensure a thorough and accurate refund process.


Restocking Fee:

All return orders, regardless of the reason for return, will be subject to a 30% restocking fee. This fee helps cover the costs associated with processing and restocking returned items.


Return Procedure:

To initiate a return, please contact our customer support team at 1-928-323-1996]. Include a copy of the original receipt with your return. Properly package your return to prevent damage during transit, as we cannot be held responsible for improperly packed returns.


Communication and Legal Compliance:

This return policy is available on our website for your reference. For any questions or clarifications, feel free to contact our customer support team. Rest assured, our return policy is crafted to abide by all applicable consumer protection laws in the state of California.


Feedback and Updates:

We welcome your feedback on our return process, and we may periodically update this return policy based on customer feedback and evolving business needs.

Thank you for choosing The RPM Store. We appreciate your trust in our products and our commitment to providing a transparent and fair return experience.



The RPM Store Team

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