Seal Power® H304P 30 Engine Piston Set
Manufacturer #H304P 30
Seal Power® H304P 30 Engine Piston Set
Manufacturer #H304P 30
Out of Stock
Out of Stock
Get it between Wed, Dec 24 - Fri, Dec 26, 2025
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Only secure payments| SKU | SEH304P30 |
|---|---|
| Brand | Seal Power® |
| Part Name | Engine Piston Set |
| Part | # H304P 30 |
| Quantity Per Vehicle | 1 |
| Pack of | 1 |
| Condition | New |
| Manufacturer’s Warranty | 12 months/12,000 miles |
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Ford
-
Mercury
- Engine Piston Set
- Sealed Power H304P 30 Engine Piston Set for Ford Thunderbird
- Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
- Hypereutectic
- Made of high strength alloy & silicon
- Higher strength than cast
- Designed to retain standard ring gaps in top groove
- Utilizes ISO & QS certified manufacturing
| Assembly Lubricant Included | No |
|---|---|
| Bore Diameter (MM) | 101.6 |
| Bore Diameter (IN) | 4.0500 |
| Compression Height (IN) | 1.759 |
| Grade Type | Premium |
| 3690571 | 184 |
| 70207 | Recessed head .080 deep x 3.220 dia. w/4 valve reliefs |
| 3690574 | 0.001 @ 2.800 from top of head |
| Oil Ring Thickness (IN) | 0.1875 |
| Oversized | Yes |
| Oversized Amount (IN) | 0.030 |
| 3688189 | Engine piston |
| 3690565 | 0.06 |
| 3690566 | 1.524 |
| Piston Material | Hypereutectic |
| Piston Pin Outside Diameter (IN) | 0.9751 |
| Piston Pin Outside Diameter (MM) | 24.768 |
| Second Compression Ring Thickness (IN) | 0.0937 |
| Top Compression Ring Thickness (IN) | 0.0781 |
1970-1961 FO V8 390CI 6.4L
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund.
Warranty Policy
Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.
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