Total Seal Ring Set, 94, 1.5X2x4, for Aircooled VW

OVERVIEW

When you are building a high-performance air-cooled Volkswagen engine, every ounce of compression matters, and the Total Seal Gapless Ring Set is the gold standard for achieving maximum combustion efficiency. Unlike traditional piston rings that allow a small amount of blow-by through the ring gaps, Total Seal''s patented gapless design features a two-part interlocking ring system that creates a 360-degree seal around the cylinder wall. This revolutionary technology ensures that combustion gases stay above the piston where they belong, resulting in a significant increase in horsepower, improved torque curves, and a much cleaner crankcase. By virtually eliminating blow-by, you also reduce the risk of oil contamination and thinning, which is vital for the longevity of your bearings and internal components in the high-heat environment of a VW flat-four.

This specific set is engineered for 94mm bore pistons, which is the most popular choice for large-displacement Type 1 and Type 2 builds, such as the 1914cc, 2110cc, or 2332cc stroker engines. These rings are designed with a 1.5mm top ring, a 2.0mm gapless second ring, and a 4.0mm oil control ring, providing a perfect balance of low friction and high sealing capability. Whether you are building a weekend street warrior, a dedicated drag racer, or a heavy-duty off-road rail, these rings provide the consistency and reliability that standard rings simply cannot match. Investing in Total Seal rings means you are choosing the same technology used by top-tier engine builders worldwide to ensure that every stroke of the piston translates into raw power at the wheels.

FITMENT

This ring set is designed for Aircooled VW engines utilizing aftermarket 94mm piston and cylinder kits. Please verify your ring groove dimensions (1.5mm x 2.0mm x 4.0mm) before ordering. Common applications include:

• Volkswagen Type 1: Beetle, Bug, and Karmann Ghia (1954-1977) with 94mm performance kits.
• Volkswagen Type 2: Bus, Transporter, and Kombi (1950-1971) with 94mm performance kits.
• Volkswagen Type 3: Fastback, Squareback, and Notchback with 94mm performance kits.
• Volkswagen Thing: (1973-1974) with upgraded 94mm displacement.
• Custom Builds: Sand Rails, Dune Buggies, and Trikes utilizing Type 1 based upright engines.
• Engine Displacements: Typically used in 1914cc (69mm stroke), 2110cc (76mm stroke), 2165cc (78mm stroke), 2276cc (82mm stroke), and 2332cc (84mm stroke) configurations.

SPECS

• Bore Diameter: 94mm.
• Top Ring Thickness: 1.5mm (High-strength material for heat resistance).
• Second Ring Thickness: 2.0mm (Patented Gapless design for ultimate sealing).
• Oil Ring Thickness: 4.0mm (Three-piece design for superior oil control).
• Ring Type: Gapless 2nd Ring technology.
• Quantity: Complete set for four (4) pistons.
• Material: High-grade ductile iron and steel components for maximum durability.
• Part Number: 98-1894-B.

PRO TIPS

1. Cylinder Honing is Critical: To get the most out of your Total Seal rings, the cylinder wall finish must be precise. We recommend a fresh hone with a 280 to 400 grit stone to create the proper cross-hatch pattern. This allows the rings to "bite" into the surface during the initial start-up, ensuring the gapless seal seats perfectly against the cylinder wall. Never install these rings in glazed or worn cylinders, as they will not seat correctly and may lead to oil consumption issues.

2. Proper Gapless Ring Assembly: When installing the gapless second ring, pay close attention to the orientation of the rail and the primary ring. The small rail must be installed into the groove alongside the main ring as per the included instructions. Ensure that the gaps of the two components are staggerednever align them. This staggered "interlock" is what creates the 360-degree seal. Always use a high-quality ring expander tool to avoid over-stressing or snapping the rings during installation onto the piston.

3. The "Dry" Break-In Method: Many master builders prefer a "dry" or "lightly oiled" break-in with Total Seal rings. Avoid using synthetic oils or heavy assembly lubes on the ring faces or cylinder walls during assembly, as this can be too "slick" and prevent the rings from seating. Instead, use a light coat of standard non-detergent break-in oil. Once the engine is fired up, avoid idling for long periods; instead, vary the RPM and put a light load on the engine to generate the cylinder pressure needed to force the rings against the walls for a permanent seal.