Description
Upgrade your Small Block Chevy build with confidence using the Allstar Performance Rear Main Seal Adapter (ALL26125) — the smart solution for bridging a 1-piece block with a 2-piece crank seal setup. Machined from premium billet aluminum, this adapter lets you run a modern one-piece rear main seal on your classic pre-’86 pan without the headaches. It’s the kind of clean, reliable fix that seasoned builders and weekend warriors both appreciate.
- Part Number: ALL26125
- Application: Small Block Chevy
- Compatibility: 1955–1986 pan
- Conversion: 1-piece block to 2-piece crank
- Material: Billet aluminum
- Includes: Complete kit
- Type: Rear main seal adapter
Whether you’re refreshing a classic engine or putting together a race-ready build, the Allstar Performance ALL26125 gives you a precise, durable fit that holds up under real-world conditions. Stop fighting obsolete sealing setups — this adapter makes the job straightforward and the results long-lasting.
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