Smeding LS link bar lifters are for the enthusiast looking to upgrade from the factory plastic trays found in mild to high performance LS valvetrain systems. Max Recommend Spring Pressure 420# Open Max Recommend Engine RPM 7,400 Recommend 0.050" Preload +/- 0.010" Maximum Strength Forged Chrome Alloy Steel Body Hardened & Carburized Alloy Steel Body Heat Treated & Precision Machined Internal Components Check-Ball Metering for Quiet Operation & Precise Control 100% Precision-Fit C...

The same high quality parts we use in our Smeding LS engines, now available in a balanced & ready to run rotating kit! Start by selecting how much horsepower you plan to make, followed by your engine block's bore diameter, what stroke crankshaft you want, and then your desired piston volume! All rotating assemblies come with coated tri-metal race main & rod bearings, and the correct piston rings for your horsepower goals. The crankshaft will also be digitally spin balanced to the weig...

Smeding Performance Connecting Rods start out as a 4340 steel alloy billet, are shot peened to decrease surface stress and heat treated in increase tensile strength. All Smeding Performance Connecting Rods have a long-life bronze bushing wrist pin and come standard with ARP2000 7/16" fasteners for extreme applications. LS Power Adder H-Beam: 6.125” Length Center-to-Center 4340 Forged High Tensile Strength Alloy Bronze Bushed .927” Wrist Pin 2.100” Precision Honed Crank Pin ARP2000 Rod Bolts...

Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS 4.000" Crankshaft: 4.000” Stroke Standard Snout 4340 Forged High Tensile Strength Alloy 1,500hp Rated

100% Fully CNC Ported 260cc Intake, 100cc Exhaust & 69cc Chambers Virgin A356 Aluminum Castings 6 Bolt Head Casting with Extra Strength Decks Advanced 11° Valve Angle for Maximum Flow & PTV Clearance 2.165” Intake Valve 21-4N Alloy & 1.60” Exhaust Valve 23-8N Super Alloy 23-8N Alloy has the same high temp characteristics of “Inconel” w/o the brittleness Available Complete w/ Chromoly Retainers, Ti Retainers, or Bare w/ Valves Billet Rocker Arm Stands Included - Compatible w/ OEM ...

Remove the trapped steam & gasses from the two rear cylinders on your LS powerhouse with the Smeding 4 corner steam vent kit! We wanted a system that was ten times easier to install than our competitors, so we decided to make our own! Instead of using NPT 90 degree fittings that you have to crank into the standoffs to align properly, our system uses a swivel O-Ring design. This design allows the cylinder head standoffs to be perfectly aligned to the stainless steel tubing, ensuring a 100%...

Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS 4.125" Crankshaft: 4.125” Stroke Standard Snout 4340 Forged High Tensile Strength Alloy 1,500hp Rated

Designing a custom camshaft is not as simple as selecting the valve lift, duration & overlap to match the engine. At Smeding Performance, we specialize and direct our focus to ensuring the correct lobe is selected for the engine’s application & combination. There are hundreds of different lobes available on the market today, each with different ramp rates. Two different lobes can have the same duration @ .050” & lobe lift, but the speed of which the lobe accelerates the lifter can...

Clears 4.125” stroke w/ steel rod Comes with all hardware, pick-up tube, gaskets & baffle sheet.

Clears 4.125” stroke w/ steel rod Has two 3/4” NPT drain back ports Comes with all hardware, pick-up tube, gaskets & baffle sheet.

Clears 4.125” stroke w/ steel rod Comes with all hardware, pick-up tube, gaskets & baffle sheet.

Max Recommend Spring Pressure 460# Open Max Recommend Engine RPM 7,500 Cold Forged Steel Body Heat Treated for Exceptional Wear Resistance Precision Ground Needle Roller Bearings with High Chromium Steel Axle Cold Forged Extra Long Piston, Precision Ground and Fitted High Flow Disc Style Quick Reacting Check Valve for Better Reaction Precision Oil Metering Assuring Proper Oiling to Rocker Arms Proprietary Tie-Bar System

Turbo R2: .615”/.610” Valve Lift w/ 1.7 Rocker 229/232 Duration @ .050” 114LSA + 4* Advance 1800-2200 Stall Recommended Moderate Chop Turbo R3: .624”/.615” Valve Lift w/ 1.7 Rocker 243/248 Duration @ .050” 114LSA + 2* Advance 3400+ Stall Recommended Requires Aftermarket Pistons Very Aggressive Chop

255cc Intake, 95cc Exhaust & 69cc Chambers Virgin A356 Aluminum Castings 6 Bolt Head Casting with Extra Strength Decks Advanced 11° Valve Angle for Maximum Flow & PTV Clearance 2.165” Intake Valve 21-4N Alloy & 1.60” Exhaust Valve 23-8N Super Alloy 23-8N Alloy has the same high temp characteristics of “Inconel” w/o the brittleness Available Complete w/ Chromoly Retainers, Ti Retainers, or Bare w/ Valves Billet Rocker Arm Stands Included - Compatible w/ OEM LS3 Rocker Arms Compati...

Max Recommend Spring Pressure 520# Open Max Recommend Engine RPM 8,000 Axle Oiling System for High Spring Pressure Security Short Travel Piston Plunger System Cold Forged Steel Body Heat Treated for Exceptional Wear Resistance Precision Ground Needle Roller Bearings with High Chromium Steel Axle Cold Forged Extra Long Piston, Precision Ground and Fitted High Flow Disc Style Quick Reacting Check Valve for Better Reaction Precision Oil Metering Assuring Proper Oiling to Rocker Arms Proprieta...

Clears most common chassis Clears 3.622” stroke w/ steel rod Comes with all hardware, pick-up tube, gaskets & baffle sheet.