Valve Cover For 5.7/6.1/6.4 Hemi Gen III Engine Cast/Billet Aluminum | SPELAB
Youtube Frostbite Ram's video about Spelab Billet Aluminum Engine Valve Covers
SPELAB's aluminum valve covers give you an excellent way to add a high-end fabricated look without the high-end price.
These offer you a strong and lightweight valve cover constructed of 6061 T6 sheet aluminum.
They feature a taller than stock height to clear most valvetrain configurations along with recessed ignition coil pockets to fit OEM and aftermarket coils.
Included with the valve covers are valve cover gaskets, spark plug O-rings.
Fitment:
Direct fit for 2006-2019 5.7L Hemi 2005-2010 6.1L Hemi 2011-2019 6.4L hemi Will fit 2003-05 5.7L Hemi if 2006-later coils are used Will not fit 6.2L Supercharged engines due to different valve cover baffle design
*Note: The threads are M6, 4 of which have a depth of 6.5mm and 4 of which have a depth of 8.5mm.
Cast vs. Billet Aluminum: Process Differences：
Cast Aluminum is produced through a casting process, where molten aluminum is poured into molds, making it ideal for parts with complex shapes and varying thicknesses. This method provides good strength and corrosion resistance.
Billet Aluminum, on the other hand, is crafted from a solid block of aluminum through forging and machining. This process results in higher strength and durability, making it suitable for high-precision and demanding applications.
Includes valve cover gaskets, and spark plug O-rings
Sold as a pair
Details:
Brand Name: SPELAB
Model Name: SPOS01270SR
Product Type: Valve Cover
Material: Billet Aluminum
Process: CNC Machined
Weight: 4670g
Gaskets Included: Yes
Fitment: 2006-2019 5.7L, 2005-2010 6.1L and 2011-2019 6.4L engines
Height: 2.25 inch
Length: 20.625 inch
Width: 7.125 inch
Quantity: Pair
Package Includes:
Valve Covers(2 pcs)
Valve Cover Gaskets(20 pcs)
Spark Plug O-rings (8 pcs)
Screw types needed to be prepared before purchaseuff1a
16pcs M6 x 1.0 x 35 MM head screws (2 per coil pack)
20pcs M6 x 1.0 x 25 MM head screws (10 per rocker cover)
32pcs 1/4" zinc shaft collars or 16pcs 1/2" spacers
36pcs #6 flat washers, one for each head screw (1 for each screw
It takes 2 of the shaft collars to make up the 1/2 space between the bottom of the coil pack to the top of the deck of the rocker covers
FAQs
Q1: SPELAB Aftermarket What are the differences between Hemi valve covers and OEM valve covers?
F1:
Material difference: SPELAB valve covers are made of high quality aluminum, whereas OEM valve covers are usually made of plastic.
Design and size: SPELAB valve covers are more rectangular in shape and higher in height to provide more interior space, while OEM's are more cylindrical in shape.
Q2: Why are SPELAB aftermarket Hemi valve covers designed with a larger internal space?
F2: The larger internal space in the SPELAB valve cover serves several purposes:
Improved airflow and cooling: The larger space allows for smoother airflow inside the valve chamber, resulting in faster cooling.
Reduced oil vapor build-up: The larger interior space allows oil to flow more evenly back into the sump, preventing oil vapor build-up.
Less pressure fluctuation: At high rpm, more space cushions pressure variations for smoother engine operation.
Room for high-performance components: More room for larger camshafts or other high-performance components.
Q3: Does SPELAB offer three sets of stainless steel screw fittings?
F3: Yes, SPELAB includes a complete set of fittings so you don't need to buy anything extra.
Q4: Can SPELAB aftermarket Hemi valve covers be fitted with larger camshafts?
F4: Yes, the SPELAB Aftermarket Hemi Valve Covers are designed with a larger internal space and a higher height.
Q5: Can the SPELAB Aftermarket Hemi valve cover be installed on a stock vehicle without a supercharger?
F5: Yes, the SPELAB Aftermarket Hemi Valve Cover is compatible with all Hemi engine units, regardless of whether the vehicle is fitted with a supercharger or not.
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