Moker Battery Tray for Optima 34-Series — Billet Aluminum Hold-Down Kit in Red, Low-Profile Race/Trunk Mount

Whether you're relocating a battery for weight distribution, fitting an Optima Red Top, Yellow Top, or Blue Top, or building a race car battery bay, this Moker hold-down kit gives a compact, durable base and a customizable clamping system. The kit is designed to fit common Optima group 34 and 34/78 sizes while accepting slightly larger batteries when you use the included thread sleeves and optional longer rods. It focuses on a low-profile footprint and heavy-duty fasteners so the battery stays put under vibration and in spirited driving.

Will this tray fit my Optima 34, 34R or 34/78 battery?

Yes — the Moker tray supports standard Optima sizes such as 34, 34R, 34/78 and compatible Yellow/Blue Top variants out of the box. It also provides thread sleeves to secure batteries with slightly different dimensions up to the listed maximums.

• Compatible with Optima Red, Yellow, Blue Top 34-series batteries.
• Supports battery dimensions up to 10.5" L x 6.95" W x 6.7" H using included sleeves.
• Longer all-thread rods can be substituted for batteries taller than 7.4".

How does the kit keep the battery from moving during spirited driving?

The tray combines a rigid billet-aluminum base plate with a matching top clamp and three all-thread hold-downs to create a stable anchor for the battery. Heavy-duty nuts and sleeves provide positive clamping force while the aluminum resists impact and corrosion better than stamped steel alternatives.

• Tri-point clamping spreads load for anti-rotation and anti-lift protection.
• Billet aluminum construction minimizes flex under load and resists rust.
• Included hardware uses heavy nuts and thread sleeves for secure tensioning.

What comes in the box and is installation difficult?

The Moker kit ships as a complete hold-down assembly so you can mount it with basic hand tools. The parts are pre-machined to fit common battery footprints, cutting installation time for a trunk relocation or race-bay mount.

• Includes one base plate and one top plate pre-drilled for three mounts.
• Comes with three all-thread rods, three nuts, and three thread sleeves for fitment options.
• Simple hardware layout works with basic wrenches; drilling or custom brackets only needed for vehicle-specific anchors.

Can I use this tray in a racing or off-road environment?

The tray's billet aluminum build and multi-point clamping make it well-suited for motorsport and off-road use where vibration and impact are common. For competition applications, combine the tray with rated mounting bolts and follow any series-specific battery mounting regulations.

• Billet aluminum resists fatigue and corrosion in demanding conditions.
• Three-point hold-down reduces movement during high lateral loads.
• Adaptable hardware lets you choose longer rods or anchor points for custom installations.

Who is this for? The Moker Battery Tray is aimed at car enthusiasts, racers, and DIY tuners who need a compact, robust solution for mounting Optima 34-series batteries or slightly larger cells in trunks, engine bays, or race compartments. It suits anyone who wants a corrosion-resistant, low-profile hold-down that’s simple to install with common tools and can be adapted for taller batteries or unique mounting locations.