Description
Mr Gasket GM Gen III/IV LS Molded Rubber Valve Cover Gaskets
OEM-quality replacement O-ring style valve cover gaskets engineered for GM Gen III and Gen IV LS-series V8 engines.
Overview & Performance Highlights
Engineered to deliver a leak-free seal on GM Gen III and IV LS small block engines, the Mr Gasket 61040G valve cover gasket set replaces worn factory perimeter-bolt seals with precision-molded rubber O-ring style gaskets. Designed to meet or exceed OEM specifications, these high-durability rubber gaskets effectively resist high cylinder head temperatures and engine oil exposure, maintaining seal elasticity and integrity over long service intervals.
Whether you are performing routine maintenance, rebuilding an LS cylinder head, or preparing a high-performance LS swap for track and street use, this pair of gaskets provides direct drop-in fitment without requiring modifications or drilling.
Key Features
- ☑ Direct OEM-style fitment replacing GM part number 12560696
- ☑ Precision molded rubber construction in a continuous O-ring profile
- ☑ Outstanding resistance to thermal breakdown, engine oils, and blow-by gas
- ☑ Reusable, non-stick rubber design provides reliable sealing without liquid gasket compound
- ☑ Complete set containing two valve cover gaskets for a full engine service
Product Specifications
| Brand | Mr Gasket |
|---|---|
| Part Number | 61040G |
| Engine Compatibility | GM Gen III / Gen IV LS V8 (1999–2017) |
| OEM Reference | GM 12560696 |
| Gasket Material | Molded Rubber |
| Style / Type | O-Ring Seal |
| Thickness | Standard OEM Spec |
| Quantity | Pair (2 Gaskets) |
What’s Included in the Box
- (2) Mr Gasket Molded Rubber Valve Cover Gaskets (MPN: 61040G)
At JP Racing, we supply genuine, top-tier performance and replacement components to the UK motorsport and automotive community. Rely on Mr Gasket for dependable sealing solutions, backed by fast UK dispatch and expert support from the JP Racing technical team.
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