Briggs 5hp Flathead

ARC Billet Alloy Stroker Crankshaft for the Briggs 5hp Model 13 or Blockzilla Junior Dragster Engines. 2.887"(+.450") stroke with a .875" rod journal and 3/4" PTO. 

ARC Billet Alloy Stroker Crankshaft for the Briggs 5hp Model 13 or Blockzilla Junior Dragster Engines. 2.887"(+.450") stroke with a .875" rod journal and 3/4" PTO.   This crank has not been cut for camshaft clearance. Some clearancing may be...

Billet Alloy Crankshaft For the Briggs 5hp Model 13 or Blockzilla engine. 3.00"(+.563) with a .875" rod journal  and 3/4" PTO shaft.Machined from the hardest, toughest material ever used for small 4 stroke engines. Balanced for engines with 2.562"-2...

ARC Billet Alloy Cranks are machined from the hardest, toughest material ever used for small, 4 stroke engines. Features a true, 1/8" journal radius for strength and durability. Also features airplane wing style counter weights that are proportionally...

Machined from the hardest, toughest material ever used for small 4 stroke engines. Features a true 1/8" journal for strength and durability.ARC Billet Alloy Crankshaft .563" X 3.00" x .875" journal    *   3" Bore X 3" Stroke...

CNC machined toughest material ever used for small 4 stroke engines. Features a true 1/8" journal radius for strength and durability. Also features airplane wing style counter weights that are proportionally designed for superior balance. The #6595...

Billet Hardened 4340 Chromoly Crankshaft . Features a true 1/8" journal radius for strength and durability. Also features airplane wing style counter weights that are proportionally designed for superior balance. The #6595-C crankshaft was...

The ARC Splined Alloy Crank utilizes a 10 tooth straight sided spline that creates a much greater load dispersion area than a normal keyed crank. No more broken PTO shafts and makes clutch removal a breeze. A must for today's high...

The ARC Splined Chromoly Crank utilizes a 10 tooth straight sided spline that creates a much greater load dispersion area than a normal keyed crank. No more broken PTO shafts and makes clutch removal a breeze. A must for today's high...

6599 ARC Billet Crankshaft  .563" x 3.5" Bore   Machined from the hardest, toughest material ever used for small 4 stroke engines. Features a true 1/8" journal for strength and durability.ARC Billet Crankshaft .563" X 3.5"  * 3...

6599-C ARC Chromoly Billet Crankshaft  .563" x 3.5" Bore   Billet Hardened 4340 Chromoly Crankshaft. Features a true 1/8" journal for strength and durability. .875 rod journal.ARC Billet Crankshaft .563" X 3.5"  * 3.5"...

ARC's new light weight flywheel for the Flathead engine using the PVL ignition. At 1.6lbs it is the lightest flywheel on the market for instant throttle response. SFI certified. Must be used with the 710106 PVL coil, see related products. Minimum ...