FEL-PRO 26473 R-053 PermaTorqueMLS Engine Cylinder Head Gasket
Fel-Pro(R) gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
- Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
- The latest development in Fel-Pro Performance head gasket technology is the PermaTorqueMLS (multi-layer steel) series.
- Strategically located sealing beads surround the combustion chamber and coolant passages concentrating clamp load to prevent leakage.
- Retains sealing integrity in engines that experience significant scrubbing and movement due to dissimilar materials (such as aluminum heads on a cast iron
- Not intended for use in emission controlled vehicles.
Application Summary:
Year |
Make/Model |
GM |
Marine Small Block V8 |
Attributes |
Alternate Part Number |
26473R053 |
Application Notes |
LSX Engs. - R.H., LSX Engs. - R.H. |
Bore Size (in.) |
4.200, 4.200 |
California Proposition 65 |
No |
Combustion Chamber Volume (cc) |
12.00, 12.000 |
Combustion Seal Design |
MLS bore bead, MLS bore bead |
Country of Origin (Primary) |
US |
Engine Displacement |
(4.8L) 293, (5.3L) 325 (Truck Block Based), (5.7L) 346, (5.7L) 383 Stroker, (6.0L) 364, (6.0L) 369 Stroker, (6.0L) 402 Stroker, (6.2L) 378, (7.0L) 427, Aftermarket Performance Block, (4.8L) 293, (5.3L) 325 (Truck Block Based), (5.7L) 346, (5.7L) 383 Stroker, (6.0L) 364, (6.0L) 369 Stroker, (6.0L) 402 Stroker, (6.2L) 378, (7.0L) 427, Aftermarket Performance Block |
Engine Family |
Chevrolet V8 LS Small Block, Chevrolet V8 LS Small Block |
GTIN |
00614046953123 |
Harmonized Tariff Code (Schedule B) |
8484100000 |
Hazardous Material Code |
N |
Life Cycle Status Code |
Available to Order |
Mfg. |
GM Performance, GM Performance |
SDR Required Flag |
N |