Keep those valve covers running clean! Trick Flow® oil vapor line limiting breather fittings can prevent grime and fumes from making their way into your intake. They will help keep harmful fumes from degrading your valve performance, and maintain your engine's optimal operating conditions. These fittings are available for different lines and engine models. Find the best fit for your engine and get your valves breathing right today.

More From This Category

ICON Piston 4.25 in. Bore, For Chevrolet BB V8 Mark IV 489, Rod 6.385 in. Dome -15cc .070

ICON Piston 4.25 in. Bore, For Chevrolet BB V8 Mark IV 489, Rod 6.385 in. Dome -15cc .070

$1,582.35

MANLEY Pushrod, Swedged End, 4130 Chromoly, 3/8 in. Dia, 9.900 in. Length, .080 in. Wall, Each

MANLEY Pushrod, Swedged End, 4130 Chromoly, 3/8 in. Dia, 9.900 in. Length, .080 in. Wall, Each

$29.18

COMP Cams Pushrod, Magnum, Chromoly, Heat-Treated 7.950 in. Long, .080 in. Wall, 5/16 in. Diameter, Set of 16

COMP Cams Pushrod, Magnum, Chromoly, Heat-Treated 7.950 in. Long, .080 in. Wall, 5/16 in. Diameter, Set of 16

$318.01

COMP Cams Rocker Arm Nut, Hi-Tech Polylock for 1/2 in. Stud Ultra Pro Magnum Rockers

COMP Cams Rocker Arm Nut, Hi-Tech Polylock for 1/2 in. Stud Ultra Pro Magnum Rockers

$199.48

Proflow Cylinder Heads & Rocker Kit, SuperMax EFI Aluminium, Complete, 590 HP, 63cc Chamber, 200cc Intake Runner, EFI Holden Commodore VN, Pair

Proflow Cylinder Heads & Rocker Kit, SuperMax EFI Aluminium, Complete, 590 HP, 63cc Chamber, 200cc Intake Runner, EFI Holden Commodore VN, Pair

$4,194.75