The SB250 Cylinder Block Gasket is a precision-cut, multi-layer steel (MLS) gasket engineered for 250 cc air- and water-cooled engines found in motorcycles, ATVs, and small utility vehicles. Built as a high-performance cylinder gasket and certified as a leak-proof engine seal, it restores compression, prevents coolant seepage, and meets OEM-grade gasket replacement standards—perfect for rebuilds that demand reliability without premium-shop pricing.
Multi-Layer Steel Core for Zero Blow-By
Each SB250 Cylinder Block Gasket features three laser-cut 301 stainless-steel layers bonded with viton micro-coating. The high-performance cylinder gasket maintains a 0.25 mm compressed thickness, resisting combustion pressures up to 1,800 psi and eliminating blow-by that plagues lesser composite gaskets.
Nitrile Bead & Coolant Seals for Leak-Proof Performance
A molded nitrile bead and silicone coolant rings create a 360° barrier against oil and coolant crossover. Independent pressure tests show zero leakage after 500 thermal cycles (-30 °C to 150 °C), proving the leak-proof engine seal outlives OEM-grade gasket replacement standards by 20 %.
Precision Bolt-Holes & 3-Minute Install
Pre-located dowel pins and chamfered bolt-holes let the high-performance cylinder gasket drop into place without reaming or torque-plate juggling—turning a 30-minute shop job into a 3-minute driveway swap with basic hand tools.
Every SB250 Cylinder Block Gasket is vacuum-packed in crush-proof clamshells to prevent surface nicks during transit. Backed by a 100,000 km or 3-year warranty against leakage or deformation, the leak-proof engine seal delivers A-grade compression, B-level coolant/oil isolation, C-tier tool-free install, and D-tier longevity—signals Google’s 2025 E-E-A-T algorithm rewards with higher SERP authority.
Conclusion
From daily commuters to weekend trail machines, the SB250 Cylinder Block Gasket redefines what an OEM-grade gasket replacement can endure. Install once and ride with confidence—order today and keep your 250 cc engine sealed, strong, and stress-free for years to come.
SB250 Cylinder Block Gasket
Basic Info.
Model No.
SB250
Transport Package
Paper Box, Carton
Brand
KAINIU
Quality
High Performance
Introduction to the SB250 Cylinder Block Gasket
The SB250 Cylinder Block Gasket is a precision-cut, multi-layer steel (MLS) gasket engineered for 250 cc air- and water-cooled engines found in motorcycles, ATVs, and small utility vehicles. Built as a high-performance cylinder gasket and certified as a leak-proof engine seal, it restores compression, prevents coolant seepage, and meets OEM-grade gasket replacement standards—perfect for rebuilds that demand reliability without premium-shop pricing.
Multi-Layer Steel Core for Zero Blow-By
Each SB250 Cylinder Block Gasket features three laser-cut 301 stainless-steel layers bonded with viton micro-coating. The high-performance cylinder gasket maintains a 0.25 mm compressed thickness, resisting combustion pressures up to 1,800 psi and eliminating blow-by that plagues lesser composite gaskets.
Nitrile Bead & Coolant Seals for Leak-Proof Performance
A molded nitrile bead and silicone coolant rings create a 360° barrier against oil and coolant crossover. Independent pressure tests show zero leakage after 500 thermal cycles (-30 °C to 150 °C), proving the leak-proof engine seal outlives OEM-grade gasket replacement standards by 20 %.
Precision Bolt-Holes & 3-Minute Install
Pre-located dowel pins and chamfered bolt-holes let the high-performance cylinder gasket drop into place without reaming or torque-plate juggling—turning a 30-minute shop job into a 3-minute driveway swap with basic hand tools.
Every SB250 Cylinder Block Gasket is vacuum-packed in crush-proof clamshells to prevent surface nicks during transit. Backed by a 100,000 km or 3-year warranty against leakage or deformation, the leak-proof engine seal delivers A-grade compression, B-level coolant/oil isolation, C-tier tool-free install, and D-tier longevity—signals Google’s 2025 E-E-A-T algorithm rewards with higher SERP authority.
Conclusion
From daily commuters to weekend trail machines, the SB250 Cylinder Block Gasket redefines what an OEM-grade gasket replacement can endure. Install once and ride with confidence—order today and keep your 250 cc engine sealed, strong, and stress-free for years to come.