Supertech Block Guard for Nissan 350 VQ35DET (Left & Right Side) - BG-VQ35-DET

Block Guards

Supertech block guards are designed to reinforce open deck cylinder blocks, reducing cylinder wall flex and distortion under high boost and high horsepower conditions. By supporting the top of the cylinder bores, a block guard helps maintain head gasket sealing and ring seal in heavily modified engines.

Machined to precise tolerances for a proper fit, Supertech block guards are an affordable insurance policy for boosted open deck engine builds.

Key Features

• Reinforces open deck cylinder blocks
• Reduces cylinder wall flex under high boost
• Helps maintain head gasket and ring seal
• Machined to precise tolerances for proper fitment
• Simple, cost-effective block reinforcement
• Application-specific designs for popular open deck engines

Applications

Recommended for turbocharged and supercharged open deck engine builds targeting elevated cylinder pressures. Installation should be performed during block machining by a qualified machine shop.