CNC machined 356 aluminum casting
If the two halves butt up against each other without a gap
The 4113 balaclavas are made with a single layer design featuring one large eyeport
The DuPont Company concludes that Halon 1301 & FE-36
It can be plumbed right to left or left to right
Edelbrock Signature Series Valve Cover - Small Block Chevrolet-'59-'86-Tall - Black 915074 CNC machined 356 aluminum castingEngineered for function and styled for good looks, triple chrome plated Signature Series valve covers have stock style breather baffles that prevent oil passage to the PCV valve. Edelbrock, Edelbrock Valve Cover, Valve Cover, PCV, Breather, PCV Baffle, Baffle, Breather hole, PCV hole, 1 1 4" diameter hole, Aluminum roller rocker, Aluminum, Stamp steel, sand cast, 4643, Signature Series Valve Covers, Signature Series Valve Covers, Chevrolet, 262, 400,