Granatelli Press-In PCV Breather - 451002

$71.22

Model: 451002 Manufacturers: Granatelli

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Description

Granatelli Press-In PCV Breather - 451002

GRANATELLI PERFORMANCE ENGINE COMPONENTS

ADD A CLEAN PCV BREATHER SYSTEM WITHOUT WELDING.

The Granatelli Motor Sports 451002 Press-In PCV Breather Valve Cover Kit provides a clean solution for adding a 1-inch press-in PCV-style breather to valve covers that do not have an existing breather provision.

Featuring a threaded baffled insert, double O-ring female receptacle and included PCV-style breather, this kit is designed to help provide reliable crankcase ventilation while helping reduce unwanted oil push-out.

1.00"

BREATHER RECEPTACLE

BAFFLED

OIL CONTROL DESIGN

NO WELD

INSTALLATION

CRANKCASE VENTILATION

Why a Proper Breather System Matters

Performance engines can benefit from properly configured crankcase ventilation. The Granatelli 451002 Press-In PCV Breather Kit provides a practical solution for adding or relocating a breather provision on compatible valve covers while the baffled design helps reduce unwanted oil from being pushed through the breather.

Simple Installation for Custom Valve Cover Applications

Choose the Location
Determine the appropriate location for the additional breather or PCV connection on the valve cover.

Prepare the Opening
Drill the properly sized 1.375-inch opening required for installation of the baffled insert.

Install & Seal
Secure the threaded baffle, sealing components and included PCV-style breather according to the installation requirements.

Built for Custom Engines & Performance Valve Covers

? Custom Engine Builds ? Performance Vehicles ? Street Machines ? Race Applications ? Custom Valve Covers ? Additional Breather Locations

Versatile Valve Cover Breather Solution

? Valve Covers Without Breather Holes Provides a solution for adding a breather provision to compatible valve covers.	? Additional Breather Locations Useful when a custom engine combination requires an additional breather location.
? Performance Engine Builds Designed for performance-oriented engine combinations requiring a clean crankcase ventilation solution.	? Custom Fabrication Projects Provides a no-weld installation option for compatible custom valve cover projects.

Why Choose the Granatelli 451002 PCV Breather Kit?

? No Welding Required Designed to provide a clean breather installation without requiring welding or extensive fabrication.	? Baffled Oil Control Design The baffled insert helps reduce unwanted oil push-out through the breather system.
? Double O-Ring Receptacle Features a 1-inch double O-ring I.D. female receptacle for a secure breather connection.	? Complete PCV-Style Kit Includes the PCV-style breather unit along with the components needed for installation.

APPLICATION & FITMENT

Universal Valve Cover Application

The Granatelli 451002 Press-In PCV Breather Kit is designed as a universal valve cover breather solution and is not limited to a specific Year / Make / Model vehicle.

Universal Application
Suitable for compatible custom valve covers with adequate space for installation.

1.375" Hole Required
The valve cover must be prepared with the appropriately sized opening for installation.

BREATHER KIT DETAILS

Product Specifications

Part Number	451002
Product Type	Press-In PCV Valve Cover Breather Kit
Application	Universal
Breather Receptacle	1" Double O-Ring I.D. Female Receptacle
Required Hole Size	1.375 Inches
Baffle	Threaded Baffle Included
Breather Included	PCV-Style Breather Unit
Included Hardware	Lock Nut, Sealing Washer & O-Ring
UPC	802735004397
Brand	Granatelli Motor Sports
Condition	New
Country of Origin	Made in USA
Warranty	90-Day Warranty

INSTALLATION & FITMENT NOTE

Verify valve cover material, available clearance and installation requirements before modifying your valve cover. A properly sized 1.375-inch hole is required for installation. Professional installation is recommended when drilling or modifying engine components.

PCV & Breathers

This product was added to our catalog on Thursday 17 September, 2026.

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