Briggs Blockzilla

Mag(Flywheel) Side Oil Seal from Briggs for the 5HP Raptor Model 13 Engine.

This is a stock Briggs & Stratton replacement part for the 5hp flathead Raptor Model 13 engine. 

A Stock Briggs & Stratton 5hp Flathead Model 13 OEM PTO(sidecover) Side Crankcase Oil Seal. For Billet Sidecover 6053

For use with our Briggs Flathead Billet S series Junior Dragster Cylinder Heads 6010-6018.

ARC Billet Rod Stroker 4.500" Ctr to Ctr X .875"  Uses the 6398 rod bearings. Briggs Flatheads, Junior Dragsters, Open Modifieds All Rods come with Rod Bearings and Bolts Rod bolt torque: 170 in/lbs lubricated

ARC Billet Rod Stroker Big Fish  4.625" Ctr to Ctr,  Uses the 6398 rod bearings. Briggs Flatheads, Junior Dragsters, Open Modifieds Rod bolt torque: 170 in/lbs lubricated

ARC Rod    4.425"     Uses 6398 Rod Bearing     Wrist Bore - .4908     Rod Bore - .8775  for crank pin size .875 Rod bolt torque: 170 in/lbs lubricated

CNC Machined from aircraft grade 7075 T-651 Aluminum and have been tested to an average of 12,500 rpmARC Billet Rod  Stroker Enduro  4.475"   * The Enduro line of ARC Billet Rods do not have forced oil dippers *   Uses...

CNC Machined from aircraft grade 7075 T-651 Aluminum and have been tested to an average of 12,500 rpmARC Billet Rod  Stroker Enduro  4.225"   * The Enduro line of ARC Billet Rods do not have forced oil dippers *   Uses 6398...

CNC Machined from aircraft grade 7075 T-651 Aluminum and have been tested to an average of 12,500 rpmARC Pro Series Rod for  Briggs Flathead  *  4.275"  Stroker for .875" Crank *  Bearings and Bolts Included Stroker Rods are...

ARC Billet Rod  Stroker Enduro 4.275"   Uses 6398 Rod Bearing  Wrist Bore - .4908    Rod Bore - .9905 Rod bolt torque: 170 in/lbs lubricated

ARC Billet Rod  4.325 Stroker   Uses 6398 Rod Bearing   wrist bore .4908    rod bore .9905.  Sold complete with bearings and bolts. Rod bolt torque: 170 in/lbs lubricated