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

RaceTec Piston & Ring Set, AutoTec, SB Chev 23deg 4.125, Inverted Dome/Milled Dish, 0.02 Oversize, 4.145 Bore, Kit

RaceTec Piston & Ring Set, AutoTec, SB Chev 23deg 4.125, Inverted Dome/Milled Dish, 0.02 Oversize, 4.145 Bore, Kit

$1,550.00

Sonnax Oversized Tcc Limit & Lube Valve Kit, Jatco/Nissan JF010E & JF011E, Each

Sonnax Oversized Tcc Limit & Lube Valve Kit, Jatco/Nissan JF010E & JF011E, Each

$91.98

COMP Cams Camshaft, XFI NSR Blower, Hydraulic Roller, Advertised Duration 268/279, Lift .492/.453, For Ford 5.0L Coyote, Each

COMP Cams Camshaft, XFI NSR Blower, Hydraulic Roller, Advertised Duration 268/279, Lift .492/.453, For Ford 5.0L Coyote, Each

$4,108.67

ICON Piston and Ring Kit, FHR Forged, Step Dish, 4.185 in. Bore, Chevy, Small Block, Kit

ICON Piston and Ring Kit, FHR Forged, Step Dish, 4.185 in. Bore, Chevy, Small Block, Kit

$1,422.96

KB Piston, 4.3 in. Bore, For CAD 500 Rod 6.750 Step Dish +28.5cc 2V, .030 Oversized, w/ Rings, Each

KB Piston, 4.3 in. Bore, For CAD 500 Rod 6.750 Step Dish +28.5cc 2V, .030 Oversized, w/ Rings, Each

$1,317.75

MANLEY Piston, Extreme Duty, 1.285 in. Compression Distance, 86.5 mm Bore Size, -11.4cc Dish, For Subaru FA20, Set of 4

MANLEY Piston, Extreme Duty, 1.285 in. Compression Distance, 86.5 mm Bore Size, -11.4cc Dish, For Subaru FA20, Set of 4

$1,697.63