The most complete and comprehensive cylinder head porting kit available today
All included in a durable plastic case with instructions
Best results can be achieved when used with a straight air grinder or electric grinder
All components can be reordered individually
Includes porting and polishing do-it-yourself guide Standard Abrasive's deluxe engine porting kit, improve engine performance, smooth rough intake and exhaust ports. Ideal for cast iron and aluminum heads and intake manifolds. Use with a die grinder with 1/4" collet. Includes a 2-3/4" and 4" cartridge roll mandrel (1/4" shank), 4" mandrel for flap wheels and cross buffs, two 1" flap wheels, 3/8" and 3/4" 60 grit stones on 1/4" mandrels, a range of 42 (1/4" to 3/4") abrasive cylinders and tapers in 40 and 80 grit. Made in the USA!
Brand: Standard Abrasives