SpeedFactory Racing MLSS‑HP Head Gasket
Designed for Honda/Acura B‑Series VTEC Engines (B16A, B18C, LS‑VTEC & B20‑VTEC)
Upgrade to SpeedFactory’s High‑Performance MLSS‑HP head gasket, engineered specifically for high-output B‑Series VTEC engines. Whether you're building a turbocharged, supercharged, nitrous, or high-compression NA mill, the MLSS‑HP gasket delivers outstanding sealing performance under extreme conditions.
Real Street Performance
+15
SpeedFactoryRacing
+15
Amazon
+15
JHPUSA
🔧 Key Features:
4-layer MLSS design: Multi-Layer Stainless Steel with a silicone bead around oil passages for superior sealing and resistance to head lift
Amazon
+3
JHPUSA
+3
SpeedFactoryRacing
+3
0.040" (1.016mm) thickness: offsets block and head surfacing thickness differences compared to OE ≈0.028″ gasket
exoracing.co.uk
+3
SpeedFactoryRacing
+3
SpeedFactoryRacing
+3
Special embedding embossments maximize combustion sealing height—ideal for engines with high cylinder pressures even up to 1000+ hp when paired with SpeedFactory head studs
OJ Performance
+6
SpeedFactoryRacing
+6
SpeedFactoryRacing
+6
Available bore sizes: 81.5mm, 82mm, 83mm, 84mm, 84.5mm, 85mm to match block oversize machining tolerances
SpeedFactoryRacing
JHPUSA
🛠️ Engine Compatibility:
Perfect fit for:
B16A / B17A
B18C (GSR / Type‑R)
LS‑VTEC and B20‑VTEC applications (requires VTEC conversion stepped dowel pins)
JHPUSA
+9
SpeedFactoryRacing
+9
SpeedFactoryRacing
+9
Designed to work alongside SpeedFactory’s Extreme Duty L19 Head Stud Kit for maximum reliability and sealing in high-strain builds
Amazon
+15
SpeedFactoryRacing
+15
SpeedFactoryRacing
+15
🚗 Performance Benefits:
Eliminates head gasket failures from high boost, high RPM setups
Maintains integrity during head lift or thermal cycling
Helps prevent coolant or oil cross-over from warped surfaces
Ideal for boosted, nitrous-equipped, or boosted high-compression engines
📦 Included in Your Purchase:
1× SpeedFactory MLSS‑HP Head Gasket (selected bore size & 0.040″ thickness)
Protected factory packaging
Installation recommended with proper torqueing and head stud kit
💡 Ordering Tips:
Match bore size to your block’s actual bore diameter (standard or over‑size)
Use with high-strength head studs for turbocharged or nitrous builds
If using LS‑VTEC or B20‑VTEC setups, ensure you have VTEC conversion dowel pins installed
