Lightweight 4-hole Merge design to fit our large bore 4150 applications.
Now available to mount to 4150 and 4500 series intake manifolds (Dual bolt pattern)
2" Height
Available in 2.000 - 2.125 - 2.200 throttle bore sizes.

BX4 Xtreme Spacers
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Part Number: 7210SS-BX4X Lightweight 4-hole Merge design to fit our large bore 4150 applications. Utilizing a Merge style column for increased torque...... more info
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To fit 4150 intake manifold openings. Lightweight 4-hole Merge design to fit our large bore 4150 applications. Utilizing a Merge style column for...... more info