✦ Free shipping on orders over $75 · Guaranteed fitment · 30-day returns ✦

Parts Catalog Shop by Vehicle Popular Builds Gallery Blog

TheBOOST GARAGE

Premium performance parts for every build. Guaranteed fitment or your money back.

Shop

All Parts
Shop by Vehicle
Deals & Clearance
New Arrivals

Popular Makes

Toyota Parts
Ford Parts
Chevrolet Parts
Honda Parts
BMW Parts

Support

My Orders
Returns & Exchanges
Shipping Policy
Contact Us

Company

About Us
Privacy Policy
Terms of Service

Get deals & build tips

New parts, exclusive discounts, and garage guides. No spam.

© 2026 The Boost Garage. All rights reserved.

Secure checkout powered by Stripe

Promaster Threshold Kit | The Boost Garage

Parts Exterior AccessoriesPromaster Threshold Kit

🔩

Universal fit — compatible with all vehicles

Exterior Accessories

Promaster Threshold Kit

Brand: HOLMAN

Part #: 40477P

$163.87+1638 pts

In Stock— only 7 left

SKU: KS-K4740477P

Free shipping over $75 Guaranteed fitment 30-day returns

Description

Promaster Threshold Kit

Check Vehicle Fitment

More Exterior Accessories

Photo Coming Soon

Exterior Accessories

Sidewinder Twin Tech Cabl

YAMAHA MOTOR

$207.81

Photo Coming Soon

Exterior Accessories

Yamaha Strainer

YAMAHA MOTOR

$12.49

Photo Coming Soon

Exterior Accessories

Rear Bumper - Black

WINJET

$969.25

Photo Coming Soon

Exterior Accessories

Winjet Fender Flares

WINJET

$243.79