Billet Rod  ARC Enduro Series CNC Machined from aircraft grade 7075 T-651 aluminum. Our 1" Stroker Rods are designed to handle the rigors of todays high horsepower Junior Dragster and open...
Billet Connecting Rods Briggs Model 13 Horizontal Flathead Enduro Series 4.425 ".
Manufactured from domestic 7075-T6 aircraft grade aluminum to the exacting standards you have come to expect from...
Billet Connecting Rods Briggs Model 13 Horizontal Flathead Enduro Series 4.375Â ".
Manufactured from domestic 7075-T6 aircraft grade aluminum to the exacting standards you have come to expect from...
Billet Connecting Rods Briggs Model 13 Horizontal Flathead Stock Enduro Series 4.325 ".
Manufactured from domestic 7075-T651 aircraft grade aluminum to the exacting standards you have come to expect...
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...
SFI certified billet 6061-T6 aluminum flywheel for the Briggs & Stratton model 13 5HP flathead engine. The keyway is installed to advance the ignition timing to 30° BTDC. The flywheel weighs 4.05 lbs...
Billet Alloy Crankshaft +.200" Briggs Model 13 Flathead. 2.637" total stroke. Machined from the hardest, toughest material ever used for small 4 stroke engines. 1" journal with a 3/4" PTO shaft...
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  ...
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...