Proflow Cylinder Heads, LS SuperMax 276, Aluminium, Rect Bare Cylinder Heads (6Bolt) , 70cc Chamber, 273cc, 15deg, LS3 For Chevrolet For Holden, Pair

$1,499.00
In Stock
Proflow Cylinder Heads, LS SuperMax 276, Aluminium, Rect Bare Cylinder Heads (6Bolt) , 70cc Chamber, 273cc, 15deg, LS3 For Chevrolet For Holden, Pair

Proflow Cylinder Heads, LS SuperMax 276, Aluminium, Rect Bare Cylinder Heads (6Bolt) , 70cc Chamber, 273cc, 15deg, LS3 For Chevrolet For Holden, Pair

Designed and engineered in-house, Proflow products are manufactured to the highest of standards. Proflow products are computationally optimized and tested within their own engineering department. Rapid prototypes are created to guarantee perfect fitment, as well as pleasing aesthetics. Proflow take pride in every part they make. Remember, Proflow are the leaders in performance products!

Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, high performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod. Use CC-6051 & 6053 valves

SPECIFICATIONS
Combustion Chamber   70 cc
Intake Port Volume   276 cc
Exhaust Port Volume   90 cc
Exhaust Port Dimensions   1.47” (H) x 1.65” (W)
Spark Plug Location   OEM
Intake Valve Diameter   2.165”
Exhaust Valve Diameter   1.59”
Valve Stem Diameter   8 mm
Valve Spring Pocket ID   1.30”
Valve Guide OD   0.502” (0.560” at base)
Maximum Valve Lift   0.750”
Rocker Stud Thread Size   OE LS3 Style
Valve Angle   15°
Deck Thickness   0.625”

 

Specifications:

  • Brand: Proflow
  • Part Number: PFEAHCLS3-273-6B-B
  • 12 Month Warranty
SKU PFEAHCLS3-273-6B-B
Barcode # 9.33876E+12
Brand Proflow
Shipping Weight 20.0000kg
Shipping Width 0.300m
Shipping Height 0.400m
Shipping Length 0.300m

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