JIMS Aluminum Lifter Blocks 1953-1984 Harley-Davidson Big Twin 1095

Proper oil circulation is critical to Big Twin longevity, and worn lifter blocks are a common culprit behind premature engine wear and inconsistent performance. The JIMS Aluminum Lifter Blocks restore optimal oil flow to your hydraulic lifters while eliminating slack and play in the drivetrain. This is a straightforward upgrade that pays dividends in reliability and engine smoothness, especially if you're running higher RPMs or extended riding seasons.

These precision-machined blocks are manufactured in the USA from aircraft-grade aluminum, delivering the strength of OEM components with a weight savings that benefits your motorcycle's overall performance envelope. Whether you're refreshing a vintage Big Twin or building a stroker engine, this is a foundational upgrade that belongs on your parts list.

• Front and rear blocks included
• Gaskets supplied
• Aluminum construction
• 1953-1984 Big Twin compatible
• 1/4"-24 screw holes
• Improves oil circulation
• Reduces component wear
• Bolt-on installation
• Made in USA
• Hardware sold separately