Overview
Perfect for use with factory manifold or Pacemaker extractors.
This exclusive gasket is designed for use on "large port" Chrysler Small Block engines (340ci, and 360ci engines.)
HP Premium Graphite Manifold Gaskets
These gaskets offer a superior seal when compared to traditional composite type. They have an optimum 'crush' value ensuring a tight seal; this is especially good for extractors, but still able to be used on standard factory manifolds with great results!
Made from a perforated stainless steel insert sandwiched between two layers of flexible graphite to ensure that they have a super high heat tolerance like no other aftermarket gasket.
These gaskets can be opened up with a die grinder for ported heads and still maintain enough material to seal properly. This makes them ideal for turbo & supercharged applications.
| Technical Specification (value relate to 1.5mm thickness) | ||||
| Non-asbestos laminated jointing roll, composed of beater addition paper inserted with perforated 0.20 - 0.22 mm thick carbon steel sheet. The beater add layers are composed of mineral fibres and fillers, bonded with elastomer. | ||||
| Max operating temperature 450°C | Compressibility: 17.8% | Recovery: min 59.6%. | ||
| Immersion Tests | ||||
| Type | Compressibility | Recovery | Weight increment | Thickness Increment |
| in VS 30 | 17.9% | min 48.1% | max 17.8% | max 6.1% |
| in ASTM 3 OIL | 19.1% | min 48.3% | max 19.5% | max 5.2% |
| in M 15 | 20.7% | min 36.5% | max 21.6% | max 11.9% |
| in FUEL | 17.1% | min 46.0% | max 15.9% | max 3.6% |
| in COOLANT | 22.9% | min 44.9% | max 24.9% | max 8.5% |
Customer Reviews
- Good stuff By Robert (posted on 5/11/2022)
- Good parts
- Best quality and best seal, nice work guys! By Andrew (posted on 16/09/2022)
- This is the best quality exhaust gasket available for 360
- 360 Large port exhaust gaskets By Andrew (posted on 19/11/2021)
- Great quality and great fit. Sealed nicely on my headers. Great price and fast shipping too!
- HP Premium Graphite "Large Port" Exhaust Manifold Gasket By jason (posted on 31/07/2020)
- Item as described, good quality, fast shipping
- GREAT By Russell (posted on 1/07/2020)
- GREAT
- Great item By Michael (posted on 20/04/2020)
- Great quality
- Works exactly as wanted By Peter (posted on 6/04/2020)
- Made all the difference in installing the extractors - old gaskets did not seal properly
- Very good By Michael Minehan (posted on 16/11/2018)
- Part of 318 turnkey package
Additional Information
| SKU | 107.27664 |
|---|---|
| Factory Comparison | Direct Replacement |
| Sale Unit | Set of 2 |
| Legacy Part Number | V8GEMGL |