---
product_id: 391800345
title: "Proform 141-133 Center Bolt Valve Cover Bolt & Washer Kit"
brand: "proform"
price: "¥12049"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/391800345-proform-141-133-center-bolt-valve-cover-bolt-and-washer
store_origin: JP
region: Japan
---

# Crafted in Taiwan for quality Precision-engineered bolts Complete washer kit included Proform 141-133 Center Bolt Valve Cover Bolt & Washer Kit

**Brand:** proform
**Price:** ¥12049
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your engine’s style and performance with precision-crafted essentials!

## Quick Answers

- **What is this?** Proform 141-133 Center Bolt Valve Cover Bolt & Washer Kit by proform
- **How much does it cost?** ¥12049 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/391800345-proform-141-133-center-bolt-valve-cover-bolt-and-washer)

## Best For

- proform enthusiasts

## Why This Product

- Trusted proform brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lightweight Yet Robust:** Ultra-light 0.28g components that don’t compromise on durability.
- • **Durable ProForm Quality:** Manufactured by ProForm, guaranteeing long-lasting strength and reliability.
- • **Complete Bolt & Washer Set:** Everything you need in one kit for hassle-free valve cover maintenance.
- • **Tailored Fit for Your Ride:** Vehicle-specific design ensures seamless installation and perfect compatibility.
- • **Compact Packaging, Maximum Value:** Efficiently sized for easy storage and quick access when you need it most.

## Overview

The 141-133 Center Bolt Valve Cover Bolt & Washer Kit by ProForm is a vehicle-specific, lightweight (0.28g) hardware set made in Taiwan, designed to provide a perfect fit and durable performance for valve cover maintenance.

## Description

Valve Cover Fastener - Bolt - 1/4-20 in Thread - 3.750 in Long - Hex Head - Washers Included - Steel - Chrome - Center Bolt - Small Block Chevy - Kit

## Features

- Package Dimensions: 2.794 H x 18.541 L x 4.318 W (centimetres)
- Package Weight: 0.25 pounds
- Fit type: Vehicle Specific
- Country of Origin : Taiwan

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ProForm |
| Brand | ProForm |
| Product Dimensions | 19.05 x 15.24 x 13.97 cm; 0.28 g |
| Item model number | 141-133 |
| Manufacturer Part Number | 141-133 |
| OEM Part Number | 141-133 |
| Item Weight | 0.28 g |

## Product Details

- **Product grade:** Replacement Part
- **Brand:** ProForm
- **Fit type:** Vehicle Specific Fit
- **OEM part number:** 141-133
- **Global Trade Identification Number:** 00037995861330

## Images

![Proform 141-133 Center Bolt Valve Cover Bolt & Washer Kit - Image 1](https://m.media-amazon.com/images/I/61k+JhVtB7L.jpg)

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**Shop now:** [https://www.desertcart.jp/products/391800345-proform-141-133-center-bolt-valve-cover-bolt-and-washer](https://www.desertcart.jp/products/391800345-proform-141-133-center-bolt-valve-cover-bolt-and-washer)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-24*