Forged 5.3 LS & Mast heads - $4,500

Aug 9th 2026

$4,500

Listing Number: 184820261

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CAMBRIDGE, MA, United States

No trades accepted

ALEXHAYES (Private Seller)

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Item description

Gen 4 5.3 LC9 Block
Oliver speedway rods
Wiseco BTR 3.8 bore boost pistons
BTR 4340 58x standard stroke crank
Main caps pined and line honed
Fresh line hone to correct front main wear (.004)
ARP main studs
Balanced rotating assembly (specs in photos)
Rings gapped for .030 total seal file fit
KING XP performance rods and mains (rods are standard clearance .0022 ish and mains are extra .001 clearance. 0028.0031,
New king coated performance cam bearings
Machined by wagamon brothers
It is fresh.
New Mast small bore cathedral heads with stainless valves
BTR Brute cam
LS9 gaskets

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Condition:

Used

Seller Information

Private Seller

ALEXHAYES

CAMBRIDGE, MA 02138, United States

Member Since

March 2026

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