Description

Brian’s Machine Shop Cradle & Head Plate Bolt Kits – Complete Grade 8 Hardware Kits for Demo Derby Engine Mounting

Take the guesswork out of your engine installation with the Brian’s Machine Shop Cradle & Head Plate Bolt Kits. These complete hardware packages are designed to provide the correct Grade 8 bolts, nuts, and hardened washers needed for installing Brian’s Machine Shop engine cradles and head plates in demolition derby applications.

Whether you’re mounting a Small Block Chevy full cradle, lower cradle, or head plate, these kits provide the high-strength hardware needed to complete your installation with confidence. Built using premium Grade 8 zinc-plated fasteners, each kit is designed to withstand the abuse, vibration, and impacts that demolition derby cars experience.

Each hardware kit is packaged specifically for Brian’s Machine Shop cradle and head plate systems, but may also work with other manufacturers’ components depending on design and mounting requirements.

Stop wasting time sorting through hardware bins or making multiple trips to the hardware store. These kits arrive complete and ready for installation right out of the bag.

Available Options

Full Cradle Bolt Kit

Designed for securing a Brian’s Machine Shop Small Block Chevy Full Cradle and engine assembly. Transmission/bellhousing bolts included.

Includes:

• (13) 3/8″ x 1-1/2″ Grade 8 Bolts
• (9) 3/8″ x 2″ Grade 8 Bolts
• (2) 1/2″ x 10″ Grade 8 Bolts
• Matching Grade 8 Nuts
• Hardened Washers

Head Plate Bolt Kit

Designed for installing a Brian’s Machine Shop Head Plate.

Includes:

• (13) 3/8″ x 1-1/4″ Grade 8 Bolts
• (3) 3/8″ x 2″ Grade 8 Bolts
• (2) 1/2″ x 6″ Grade 8 Bolts
• Matching Grade 8 Nuts
• Hardened Washers

Lower Cradle Bolt Kit

Designed for attaching a Small Block Chevy lower engine cradle to the engine.

Includes:

• (10) 3/8″ x 1-1/4″ Grade 8 Bolts
• (2) 1/2″ x 6″ Grade 8 Bolts
• Matching Grade 8 Nuts
• Hardened Washers

Features

✔ Complete installation hardware kits

✔ Premium Grade 8 fasteners for maximum strength

✔ Zinc-plated finish helps resist rust and corrosion

✔ Includes matching nuts and hardened washers

✔ Packaged specifically for Brian’s Machine Shop cradle systems

✔ May work with other cradle and head plate manufacturers

✔ Eliminates the hassle of sourcing hardware separately

✔ Built for demolition derby, racing, and extreme-duty applications

✔ Ready to install right out of the package

Built for Demolition Derby Abuse

Engine mounting hardware takes tremendous punishment in demolition derby competition. Hard hits, engine torque, chassis flex, and repeated impacts place constant stress on cradle and head plate mounting systems. Using quality hardware is critical to keeping your engine securely mounted throughout the event.

Brian’s Machine Shop Cradle & Head Plate Bolt Kits provide the strength, reliability, and convenience serious derby builders demand. Whether you’re assembling a fresh build, replacing worn hardware, or upgrading your engine mounting setup, these complete kits provide everything needed for a professional installation.

For best results, pair your selected bolt kit with the corresponding Brian’s Machine Shop Full Cradle, Lower Cradle, or Head Plate.

Manufactured and packaged by Brian’s Machine Shop. Ready to install right out of the bag.