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M&M Motors 408 LS Stroker Motor

M&M Motors 408 LS Stroker Motor

$9,650.00 USD
$6,250.00 USD $9,650.00 USD
Sale Sold out
Color: Silver
Intake Manifold
Engine type

This is our M&M Motors "Red Hot" 6.2 LS3 Motor 525hp.

All motors start off their life as rebuildable cores. These are all disassembled cleaned and inspected. Blocks are honed or bored(this will be notated always with size and ring gaps), cylinder heads always receive the same cleaning, and valve job. All critical components are Brian Tooley Racing, Mahle, Clevite, Durabond. 

All complete motor packages are broke in and ran on our run stand here in house. Video provided.

Completely rebuilt 408 LS Iron Block or Aluminum Block Motor.

823/821/5364 Square Port Cylinder headers cleaned/valve job completed (CNC Porting Services Available for Additional $1500)

BTR .660 Dual Valve Spring Kit

BTR Chromoly Pushrods Measured to Length

BTR Trunnion Upgraded Rocker Arms TK02

BTR LS3 Headgaskets

BTR Barbell

BTR LS7 lifters

BTR Stroker or Truck Hoss Cam

PRW Head Studs 

High Performance Cloyes Timing Chain and LS3 4 Pole Cam Gear

New Water Pump

New Alternator

Billet Offset Accessory Bracket for fitment in most hot rods.

High Ram Intake Manifold 

50lb GM Injectors 

NGK Spark plugs TR6

Rear sump oil pan with Wix Filter (Hot Rod/Holley style shallow rear sump pans for additional $100.00

New BTR Gasket Set

Summit/BTR/K1 Forged 4.00" Stroke Crankshaft

ICON/Summit 4.00 Stroke Pistons and Summit/BTR Connecting Rods Forged

24x/58x Polished Crankshaft Reluctor Motor. Please NOTATE

All sensors included as pictured. 

Block color/ Valve cover included on all motors at no charge. 

12 Month Part Warranty included.

FREE SHIPPING INCLUDED to business address or local hub. Residential is an additional $125.



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