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Guaranteed Fitment
Always the correct part
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Recommended for engines with 4.000 inch bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications. Dart's LS based PRO1 LS 15 Deg 280cc Aluminum rectangle port cylinder head (LS3 compatible) for GM LS series small block V8 engines take performance to the next level. Offers higher performance and more versatility than factory designs. The 15 Deg based high performance cylinder head has better airflow, more efficient combustion chambers and more user friendly features than production LS castings. The Dart PRO1 280cc cylinder head retains stock valve angles, stock valve locations and stock accessory mounting holes to make installation easy. Virtually everything else has been improved.
- Heads are sold individually
Attributes:
- Brand Name: Dart
- GTIN: 00807051044379
- CNC Ported: Yes
- Combustion Chamber Volume: 66.00
- Cylinder Head Material: RMR Cast Aluminum Alloy
- Cylinder Head Series: Pro1
- Engine: LS Gen III
- Engine - Web: LS Gen III
- Engine Type: ICE
- Exhaust Valve Diameter: 1.625
- Industry: Automotive
- Intake Valve Diameter: 2.200
- Make: Chevrolet
- Make - Web: Chevrolet
- Port Volume: 285.00
- Product Type: Engine Cylinder Head
- Spring: Double
- Valve Angle: 12
- Valve Spring Diameter: 1.290
- Valve Spring Maximum Lift: 0.650
Extended Information:
- Country of Origin: US
- Emissions : CARB Eligible
- Life Cycle Status: Available To Order
Packing Information:
- Quantity of Each: 1
- Package UOM: EA
- Dimension: 22.250 x 7.000 x 9.000 inches
- Weight: 28.000 lb
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Shipping + Returns Shipping Policy We aim to provide a seamless shipping experience, ensuring your order arrives on time and in perfect condition. Orders are typically processed within 1-2 business days, and shipping times vary based on your location. You will receive a tracking number as soon as your order is dispatched. We offer both standard and expedited shipping options. Please note, delivery times may be affected by holidays or high demand periods. International Shipping For international orders, shipping costs and delivery times will depend on the destination. Additional customs fees may apply, which are the responsibility of the customer. Returns Policy We want you to be completely satisfied with your purchase. If you need to return an item, please contact us within 30 days of receiving it. To be eligible for a return, items must be unused, in original condition, and with all tags attached. How to Initiate a Return To start a return, contact our customer support team with your order number and reason for return. Once approved, we’ll provide instructions on how and where to send your package. Please note that return shipping costs are the responsibility of the customer, unless the item was damaged or incorrect upon arrival. Refunds Once we receive your returned item, our team will inspect it and process your refund. You’ll receive a confirmation email once your refund is complete, typically within 5-7 business days.