$358.87
In stock ready to ship
Parts & Accessories
1 photo
SKU 61435e99a941
Pistons$332.10
Freight and taxes calculated at checkout
In stock · ready to ship
No warranty
Commercial use may carry a shorter period than pleasure use.
Warranty termsFreight — standard — from $149. Ships in 1–3 business days, 3–10 business days in transit.
Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.
Shipping rates30-day return window · 25% restocking fee plus freight both ways.
Engines or transmissions that have been disassembled or parted out cannot be returned.
Full policySecure card payment via Stripe. A deposit holds an item for 15 days.
Some engines and transmissions carry a refundable core charge, shown on the product page where it applies.
Payment termsCatalogue data
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In the seller's words
Replacement cast aluminum 4.1875″ bore piston set for ’59-’66 Buick 401 Nailhead.
Cast from high silicon A-332 aluminum alloy
Machined on modern CNC machinery
Precision balanced & weight-matched sets
Balanced to within 8 grams from the lightest to the heaviest piston
The 401 rings are a cast top, and a cast second ring.
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$358.87
In stock ready to ship
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