BIG 3 / MMRE ATLAS 1 - LT 6.2L PERFORMANCE LONG BLOCK
A custom naturally aspirated LT package combining a Shock Factor-based remanufactured bottom end, Silvolite pistons and Katech CNC-ported RaceKing cylinder heads. Advertised long-block package: $12,875. No core or exchange required.
BUILD HIGHLIGHTS
- Stock-displacement 6.2L remanufactured foundation with Silvolite pistons
- Exact crankshaft, rods, bore and compression specified on your build sheet
- RaceKing heads with Katech Rottler-CNC porting and guide/chamber work
- Manley valves, 1209X springs, titanium retainers and chromoly seats
- CHE trunnion rocker upgrade and BTR chromoly pushrods
- BTR, GPI or custom Big 3 camshaft matched to the combination
- ARP head studs
MATCHED TO YOUR APPLICATION
For a verified LT1- or L86-based vehicle or swap. Send your VIN/RPO or donor-engine details, intended fuel, induction, vehicle use and goals. Camshaft, compression, oiling and supporting components are confirmed on a written quote. No horsepower figure is guaranteed by the series name.
REAL SHOP WORK
Castings and hard parts are cleaned, inspected and measured. Machining follows measured condition, with assembly checks for clearances, ring fit, deck condition and valvetrain setup. Engine dyno or Spintron testing is included only when specified on your build sheet.
WHAT IS INCLUDED
Assembled long block with the components specified on the signed build sheet. Intake, fuel system, oil pan/front cover, sensors, wiring, accessories, exhaust and calibration are excluded unless listed in the quote. Professional calibration is required and quoted separately unless included in writing.
BUILD TIME / DELIVERY
Custom built to order. Approximately eight weeks to build and ship; confirm the current schedule before payment. Freight is additional and quoted using your ZIP code, commercial or residential destination and unloading needs.
WARRANTY
One-year limited parts-only performance-engine warranty, subject to written terms, installation, break-in, maintenance and calibration requirements. Labor is not included.
PHOTOS
Actual Big 3 shop photographs of representative Gen V LT builds and head work, not the exact engine offered. Visible accessories are included only when listed on your build sheet.
BIG 3 ENGINES & TRANSMISSION - Troup, Texas
903-262-9502 | SKU B3-LT-PERF-ATLAS1
Message your build details and mention RacingJunk for a written package and freight quote.
