Standard 9.240" Deck Height
4.117" Bore
Dual Crossbolted Main Caps
Part # LSR-SD2X
Features And Benefits
The LSR aluminium engine block is cast of a proprietary 356 T6 Aluminium Ingot, featuring Spun Ductile Iron Sleeves. The standard deck 9.240" and the tall deck 9.720", with or without raised cam, will be available with our exclusive Double Cross Bolted Main Cap Feature.
Reinforced from Top to Bottom...
Cross Braced Lifter Valley with Individual Drain Backs
40% larger Main Cap Surface with a Double Crossbolt Option
Short or Tall deck blocks feature a Heavy Duty 0.750" deck thickness
Added Stock to the Front and Rear Valley Walls
(option) Pro-Gram Engineering Main Caps SAE 1045 Billet
ARP Main Stud Options
Maximized Crank saddle Radius
Added 7th Transmission Bolt Hole to Accept Early Style GM Transmission
LSR Engine Block weighs 113 lbs with Main Caps
Standard Deck Height 9.240"
Tall Deck Height Finishes At 9.720"
Bore Range 4.065" - 4.190"
Raised Cam Options available
Front Oil Feed Line Can Be Restricted for Mechanical Lifter Options
6 Bolt Cylinder Head Pattern
Cam Bore Can Be Machined to Accept 60mm Roller Bearings
Lifter Bore Diameter Can Be Increased for Different Applications
The Double Crossbolt option gives you an 8 bolt main on 2, 3, and 4.
All OEM LSX parts such as covers, pans and accessories work seamlessly with the LSR
With the LSR, you are buying 100% American made and finished product
LSX Magazine Article
![Faria Euro Black 4" Tachometer - 4000 RPM (Diesel) (Mechanical Takeoff) [32842]](https://www.wristgemz.shop/image/faria-euro-black-4quot-tachometer-4000-rpm-diesel-mechanical-takeoff-32842_axTy1p_300x.webp "Faria Euro Black 4\" Tachometer - 4000 RPM (Diesel) (Mechanical Takeoff) [32842]")
