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DART MACHINERY

Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061283J - 305cc CNC Rectangle Port, Assembled

PART NUMBER:
11061283J
MPN:
11061283J
Availability:
Ships from manufacturer
Shipping:
Free Over $98 In U.S. 48
Type:
LS7 Cylinder Heads - Assembled
Material:
RMR Cast Aluminum
Assembled:
Yes
CNC Ported:
Yes
Bolts Per Cylinder:
6
Valve Angle (degrees):
12
Intake Runner Volume (cc):
305
Chamber Volume (cc):
68
Intake Valve (in.):
2.250
Intake Valves Included:
Yes
Exhaust Valve (in.):
1.600
Exhaust Valves Included:
Yes
Exhaust Location:
Raised .150"
Valve Springs Included:
Yes
Valve Spring Type:
Dual
Valve Spring Max Lift (in.):
0.800
Accessory Holes:
Yes
Notes:
Heads have a 6-bolt per cylinder style bolt pattern. Recommended for use with a 4.125 in. or larger bore.
Quantity:
Sold Individually
On Sale
  • Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061283J - 305cc CNC Rectangle Port, Assembled
  • Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061283J - 305cc CNC Rectangle Port, Assembled
  • Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061283J - 305cc CNC Rectangle Port, Assembled
  • Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061283J - 305cc CNC Rectangle Port, Assembled
Now: $4,862.88
Was: $5,118.82

Description

Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061283J - 305cc CNC Rectangle Port, Assembled

Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications. Dart’s new PRO1 LS 12° 305cc CNC Aluminum rectangle port cylinder head for GM LS7 Compatible small block V8 engines take performance to the next level. This full CNC ported cylinder head offers higher performance and more versatility than factory designs. The 12° based high performance cylinder head has better airflow, more efficient combustion chambers and more user friendly features than production LS castings. The Dart PRO1 305cc cylinder head retains stock valve angles, stock valve locations and stock valve train mounting with dowel holes to make installation easy and durable. Revised .750" finish deck thickness.

Configuration for Use:

1.550" Dual Springs for Solid Roller (Jesel Rocker Bar Machining)

 

 

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Warranty Information

Dart Machinery, Ltd. warrants to the original purchaser its products to be free from defects in materials and workmanship under normal and recommended use and that the products will conform to Darts published specifications or, if applicable, Buyers specifications to the extent accepted by Dart in a separate writing. Darts obligation under this warranty shall be limited to repair or replacement, at Darts option, of any parts or products which may prove defective under normal use within six (6) months from the date of sale, and which the examination of Dart Machinery, Ltd. reveals to its satisfaction that the products in question are in fact defective. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR USE AND OF ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF DART MACHINERY, LTD. THE PURCHASER ACKNOWLEDGES THAT HE IS NOT RELYING ON DART MACHINERY, LTD.S SKILL OR JUDGMENT TO SELECT OR FURNISH GOODS SUITABLE FOR ANY PARTICULAR PURPOSE AND THAT THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF. THE WARRANTY CONTAINED HEREIN SHALL NOT APPLY TO ANY PART OR PRODUCT WHICH HAS BEEN SUBJECT TO ACCIDENT, NEGLIGENCE, ALTERATION, ABUSE, OR MISUSE. DART MACHINERY, LTD. MAKES NO WARRANTY WHATSOEVER IN RESPECT TO ACCESSORIES OR PARTS NOT SUPPLIED BY DART MACHINERY, LTD. THIS WARRANTY SHALL APPLY ONLY WITHIN THE BOUNDARIES OF THE CONTINENTAL UNITED STATES. Any affirmation of fact or promise made by Dart Machinery, Ltd. shall not be deemed to create an express warranty that the product shall conform to the affirmation or promise; any description of the product is for the sole purpose of identifying it and shall not be deemed to create an express warranty that the product shall conform to such description; any sample or model is for illustrative purposes only and shall not be deemed to create an express warranty that the product shall conform to the sample or model; and no affirmation or promise, or description, or sample or model shall be deemed part of the basis of the bargain.
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