What material are these Carrillo connecting rod bolts made from?

These bolts are constructed from Carrillo's proprietary WMC (Wrought Material Composite) alloy. This material is chosen for its ability to withstand extreme stress and high rotational speeds common in performance engines.

What is the benefit of the H-shape beam design?

The H-shape beam design is a signature feature of Carrillo's Pro-H bolts. It helps to reduce the overall weight of the bolt while maintaining exceptional strength and stiffness, which is important for high-performance engine components.

Are these bolts a direct replacement for the stock Ferrari connecting rod bolts?

Yes, these 3/8 inch diameter bolts are specifically engineered to fit the factory connecting rods in the listed Ferrari V8 models, serving as a direct replacement for the original fasteners.

Carrillo Pro-H Connecting Rod Bolts Set of 12 FE-328>65394S-

Name: Carrillo Ferrari 308/328/330/348/Boxer/Testa Pro-H 3/8 WMC Bolts - Set of 12
Brand: Carrillo
SKU: carrillo-carrillo-ferrari-308-328-330-348-boxer-testa-pro-h-3-8-wmc-bolts-set-of-t14-455501
Price: 4914.00 USD
Availability: BackOrder

Carrillo Ferrari 308/328/330/348/Boxer/Testa Pro-H 3/8 WMC Bolts - Set of 12

$4914.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Carrillo Ferrari 308/328/330/348/Boxer/Testa Pro-H 3/8 WMC Bolts - Set of 12

Key Features

Fits Ferrari 308, 328, 330, 348, Boxer, and Testa models.
Set includes 12 Pro-H connecting rod bolts.
Manufactured from Carrillo's proprietary WMC (Wrought Material Composite) alloy.
Features Carrillo's signature H-shape beam design for improved strength-to-weight ratio.
3/8 inch diameter bolts are engineered for specific Ferrari V8 engine applications.
Designed to handle extreme stress and high RPMs in performance engines.

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Product Details

Carrillo is well-known for making some of the strongest internal engine components available, especially for high-performance applications. This set of Pro-H connecting rod bolts is a prime example, designed specifically for Ferrari V8 engines found in models like the 308, 328, 330, 348, and others often referred to as the Boxer or Testa series. If you're rebuilding or upgrading the heart of one of these iconic machines, using the right hardware is critical for reliability and performance.

These Pro-H bolts are made from a proprietary WMC (Wrought Material Composite) alloy, which Carrillo develops to handle extreme stress and high RPMs. They feature a unique H-shape beam design, which is a Carrillo signature. This design helps to reduce weight while maintaining exceptional strength and stiffness, crucial for keeping your connecting rods properly secured under the immense forces generated by a Ferrari V8. The 3/8 inch diameter is a specific size engineered to fit the factory connecting rods in these particular Ferrari models, ensuring a direct replacement for the original fasteners.

This set includes 12 bolts, enough for all cylinders in your V8 engine. When working on a high-value, high-performance engine like this, using fasteners that meet or exceed original specifications is paramount. These Carrillo bolts offer a well-built solution that provides peace of mind for builders and owners who demand the best for their Ferrari.