Motorshop Tappet Block Set for Harley UL 1939–1948 (Side Valve) — 2 Front + 2 Rear

Precisely engineered to restore factory valve timing on Harley-Davidson UL models from 1939 to 1948, this four-piece tappet block set delivers reliable performance with zinc-plated, non-threaded front and rear blocks. The kit includes two front and two rear tappet blocks for complete engine coverage.

• Includes 2 front and 2 rear tappet blocks for comprehensive valve-train support
• Zinc-plated, non-threaded design for durability and consistent fit
• OEM cross references: 18612-39, 235-39 for accurate compatibility with original Harley Davidson parts
• Fits Harley Davidson UL models 1939–1948
• Manufactured in Taiwan with durable materials for long-lasting performance
• Includes necessary components for easy installation and a complete upgrade

Designed to promote smooth valve movement, reduce wear, and help restore engine performance to factory specifications during rebuilds or maintenance. For optimal sealing and gasket integrity, pair with Gasgacinch Gasket Sealer, Gasoila Red Varnish Sealant, and the Standard Sifton Lightning Tappet Set.

Part number: 0023411

Zinc plated non-threaded front and rear tappet block set.

Upgrade your vintage Harley Davidson UL engine with the Motorshop Tappet Block Set, designed specifically for models from 1939 to 1948. This comprehensive set includes two front and two rear tappet blocks, ensuring precise valve operation and reliable engine performance. Crafted with quality materials, the set is manufactured in Taiwan to meet high standards of durability and fitment. The OEM cross references 18612-39 and 235-39 guarantee compatibility with original Harley Davidson parts, making installation straightforward and ensuring optimal engine function.
Each tappet block in this set is engineered to withstand the rigors of engine operation, providing a stable foundation for the valve train. The set's design facilitates smooth valve movement, reducing wear and extending engine life. Whether you're performing a rebuild or maintenance, these tappet blocks help restore your motorcycle's performance to factory specifications. The package includes all necessary components for a complete upgrade, making it a cost-effective solution for vintage Harley enthusiasts.
For optimal sealing and gasket integrity, consider pairing this set with accessory items such as Gasgacinch Gasket Sealer, Gasoila Red Varnish Sealant, and the Standard Sifton Lightning Tappet Set. These additional products assist in ensuring a leak-free assembly and prolong the lifespan of your engine components. Trust the Motorshop Tappet Block Set to deliver quality, reliability, and performance for your classic Harley Davidson UL motorcycle.

Features:

• Set includes 2 front and 2 rear tappet blocks for comprehensive engine coverage

• OEM Cross References: 18612-39, 235-39 for accurate fitment

• Manufactured in Taiwan with durable and reliable materials

• Designed to fit Harley Davidson UL models from 1939 to 1948

• Includes necessary components for easy installation

Fitment:
Harley Davidson UL 1939
Harley Davidson UL 1940
Harley Davidson UL 1941
Harley Davidson UL 1942
Harley Davidson UL 1943
Harley Davidson UL 1944
Harley Davidson UL 1945
Harley Davidson UL 1946
Harley Davidson UL 1947
Harley Davidson UL 1948