Spectre · New
Spectre Oil Breather Cap w/Tube & Grommet (Push-In)
MPN 4278 · Store SKU spe4278
Supplier stock checked 11/7/2026, 8:06:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Spectre's 1 inch Valve Cover Breather Push-In with Tube is for all valve covers with 1-1/4 inch breather holes. This valve cover breather has been designed to accommodate PCV tubes and features an internal baffle to prevent oil splash and provide superior ventilation with 5/8 inch nipple. This breather comes complete with necessary grommets for easy installation. These valve cover breathers are made with triple chrome plated steel ensuring it performs as well as it looks. Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See spectreperformance.com for CARB status on each part for a specific vehicle. Spectre's 1 inch Valve Cover Breather Push-In with Tube is for all valve covers with 1-1/4 inch breather holes. This valve cover breather has been designed to accommodate PCV tubes and features an internal baffle to prevent oil splash and provide superior ventilation with 5/8 inch nipple. This breather comes complete with necessary grommets for easy installation. These valve cover breathers are made with triple chrome plated steel ensuring it performs as well as it looks. Spectre's 1 inch Valve Cover Breather Push-In with Tube is for all valve covers with 1-1/4 inch breather holes. These valve cover breathers are made with triple chrome plated steel ensuring it performs as well as it looks. CAP; BREATHER; PUSH-IN W/TUBE/GROMMET Oil Breather Cap
Manufacturer fitment & guides
Check 4278 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y