JAMES GASKET - JGI-18633-48-KF - Tappet Block Gasket - '48-'99 Big Twin
The JAMES GASKET JGI-18633-48-KF is engineered for maximum durability and sealing performance, making it the smart choice for any suspension rebuild or engine service. High-quality Genuine James gaskets. James Gaskets Rubber-Covered Metal line of gaskets are made from a solid steel sheet coated on two sides with a high-temperature elastomer and strategically placed elastomer beading helps ensure a positive seal while our clear silicone conformal coating fills in minor imperfections in the flanges and provides for easy release upon removal and have excellent torque retention properties and will not extrude under high torque load. Foamet® product line features an aluminum core coated on two sides with expanded nitrile rubber then coated with a silicone release coating to ensure a positive seal with excellent release characteristic upon disassembly. Made in the U.S.A. Compatible with Street applications. Sold as a pair.
Features
- High-quality Genuine James gaskets
- James Gaskets Rubber-Covered Metal line of gaskets are made from a solid steel sheet coated on two sides with a high-temperature elastomer and strategically placed elastomer beading helps ensure a positive seal while our clear silicone conformal coating fills in minor imperfections in the flanges and provides for easy release upon removal and have excellent torque retention properties and will not extrude under high torque load
- Foamet® product line features an aluminum core coated on two sides with expanded nitrile rubber then coated with a silicone release coating to ensure a positive seal with excellent release characteristic upon disassembly
- Made in the USA
OEM Part Numbers: 18633-48F
Specs
- Mounting Position: Rear
- Thickness: 0.51 mm
- Material: Foamet®
- Thickness: 0.020”
- Riding Style: Street
- Features: Non-Beaded
- Mounting Position: Front
- Type: Tappet Block
- Product Name: Gasket
- Units: Pair
OEM Part Numbers
- 18633-48F
Frequently Asked Questions - JAMES GASKET - JGI-18633-48-KF - Tappet Block Gasket - '48-'99 Big Twin
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
