SKU: MAN42144
MPN: 42144
The SBC Aluminum Cam Spacer .690in from MANLEY is a precision engineering component designed for small-block Chevy (SBC) engine builders and performance enthusiasts who demand tight control over camshaft timing and valve train geometry. This aluminum spacer plays a critical role in maintaining accurate cam positioning within the engine block, ensuring proper valve lift, duration, and overlap characteristics. Whether you're building a street engine, race motor, or restoring a classic Chevy, this spacer is essential for achieving repeatable, reliable engine performance and longevity.
Manufactured from lightweight aluminum in a natural finish, this cam spacer measures 0.690 inches in length and is engineered to precise tolerances that MANLEY is known for across the performance engine community. The aluminum construction provides an ideal balance between strength and weight, minimizing rotating mass while maintaining dimensional stability under high RPM operation. Proper cam spacing is fundamental to valve train function—it directly influences cam lobe contact, follower wear patterns, and overall engine reliability. This spacer ensures the camshaft sits at the correct axial position relative to the block, preventing premature wear and maintaining OEM or performance cam specifications.
Engine builders, machine shops, and dedicated SBC enthusiasts rely on MANLEY cam spacers during complete engine assembly and rebuilds. This component is ideal for applications ranging from mild street builds to full competition engines, and it integrates seamlessly into any small-block Chevy platform (265, 283, 302, 327, 350, 383, 400 cubic inch displacements). Proper installation requires attention during camshaft installation, ensuring the spacer is positioned correctly before the cam button or thrust bearing is secured. For best results, consult your engine builder's specifications or cam manufacturer recommendations to confirm the correct spacer thickness for your specific cam profile and engine combination.
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