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Aeroflow ALL PRO SBC MLX 4.165" HEAD GASKET .050" THICK ALLPRO COMETIC H3411SP6050S | TrackTheory
AEROFLOW · CMH3411SP6050S Aeroflow · CMH3411SP6050S ALL PRO SBC MLX 4.165" HEAD GASKET .050" THICK ALLPRO COMETIC H3411SP6050S Cometic MLX technology keeping your SBC sealed under serious cylinder pressure.
▸ 4.165" bore suits stroked and overbored small block Chevrolet builds▸ 0.050" compressed thickness suits most standard deck height applications▸ Multi-layer steel construction resists combustion gases and coolant intrusion▸ Reusable design tolerates repeated head pulls without seal degradation▸ Cometic H3411SP6050S — a known spec, not a generic replacement
Australian-owned. Stocking circuit racing parts, track-day essentials, and performance upgrades.
ALL PRO SBC MLX 4.165" HEAD GASKET .05… $319.29
Add to cart Dispatched in 1-2 business days · 30-day returns
Home Shop Garage Account $319
incl. GST · ships AU-wide
Add to cart Save to wishlistSpecifications
On the spec sheet. Spec sheet coming — contact support for full spec details. Fitment
Will this fit? Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
Why this part
Composite gaskets have no place between a freshly machined head and a block that sees real boost or rpm. The MLX multi-layer steel core holds a consistent clamp load where softer materials creep and blow. At this price point, it costs less than a second head gasket job.
Pairs well with
Other parts in this build. © 2026 TrackTheory · ABN 33 689 462 504 Built in Adelaide · Shipping AU-wide