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GM Performance
GM Performance Aluminum Cylinder Head Assembled LS3 260cc 2.165/1.590
GM Performance Aluminum Cylinder Head Assembled LS3 260cc 2.165/1.590
Regular price
$1,069.76 USD
Regular price
Sale price
$1,069.76 USD
Unit price
/
per
SKU:GMP12675871
Inventory: 1 in stock
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LS3 Aluminum Cylinder Head
Performance cylinder head fits any LS engine with a minimum 4.000" cylinder bore. Head includes as-cast, L92-style intake ports and D-shaped exhaust ports. Fully assembled with 2.165" hollow stem intake valves, and 1.590" solid stem exhaust valves. Capable of up to 0.550" maximum valve lift.
Cylinder Head - Assembled - 2.165 / 1.590 in Valves - 260 cc Intake - 68.4 cc Chamber - 1.290 in Springs - GM LS-Series - Sold as Each - Part Number: 12675871
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Assembled/Bare
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Assembled
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Chamber Volume
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68.4 cc
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Intake Runner Volume
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260 cc
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Intake Port Shape
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Rectangle
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Intake Port Location
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Stock
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Exhaust Port Shape
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D
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Exhaust Port Location
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Stock
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Intake Valve Size
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2.165 in
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Intake Valve Included
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Yes
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Exhaust Valve Size
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1.590 in
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Exhaust Valve Included
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Yes
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Valve Spring Included
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Yes
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Intended Camshaft Style
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Hydraulic Roller
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Maximum Lift
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0.550 in
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Valve Spring Retainers Included
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Yes
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Valve Locks Included
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Yes
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Valve Seal Included
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Yes
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Valve Guide Included
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Yes
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Center Mount Valve Cover
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Yes
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Valve Seat Included
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Yes
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Valve Seat Finish
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Machined
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Combustion Chamber Finish
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As Cast
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Intake Runner Finish
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As Cast
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Exhaust Runner Finish
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As Cast
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Intake Valve Angle
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15 Degree
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Exhaust Valve Angle
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15 Degree
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Material
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Aluminum
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Color
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Natural
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Finish
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Natural
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Quantity
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Each
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