6160 Dual Valve Spring Kit for 5hp Briggs

Dual Valve Spring Kit for Briggs 5hp Flat Head 31 lbs. of pressure at 1.00" installed height 43 lbs. of pressure at 0.925" installed height 60 lbs. of pressure at 0.825" installed height

6164 Heavy Duty Dual Valve Springs Kit

Heavy Duty Set of Dual Valve Springs designed for Junior Dragsters with cams exceeding .500 lift.

6166 Dual Valve Spring Set, Animal

High Performance Dual Valve Spring Set for the Briggs Animal

6176 Valve Spring, Restricted Stock, Animal

Restricted Stock Valve Spring for the Briggs Animal. 18lb@.800"

6188 Billet Stock Lifters (Set)

Precision in design and manufacturing, these are hardened lifters that will fit virtually all Briggs 5 hp flathead blocks.The 6188 is standard stock dimension.

6190 Billet Lifter Set +.100"

Precision in design and manufacturing, these are hardened lifters that will fit virtually all Briggs 5 hp blocksThe 6190 is .100" longer over stock in dimension

DJ-1055I Improved Green Stripe 10.8lb Spring Set 196/212cc

These Box Stock class valve springs have been specially treated to prolong pressure retention. The pressure loss from fatigue is about half of what is seen...

DJ-1055PS PRESET Green Stripe 10.8lb Spring Set 196/212cc

These Box Stock class valve springs have been specially treated to prolong pressure retention. The pressure loss from fatigue is about half of what is seen...

DJ-1103 Cam Clone Dyno BP-2

 This heat treated stock lift cam was designed to exploit the 2012 Builders Prepared cam rules.This cam meets lift requirements for stock but has a lot of extra duration producing better...

DJ-1103P Predator BP-2 Cam

Heat treated Dyno Cam for the Gen 1 & 3 Harbor Freight 212cc Predator engine. The BP2 has a lot of extra duration producing better horsepower over a broader RPM range. This cam will easily allow...

DJ-1104 Cam, Dyno F275 Clone/GX200

Dyno Cams  Clone/GX200 F-275 Cam Welded Lobe Cam. This versatile cam is to be used in modified or stock appearring applications. Excellent cam when running stock style carburetor. It...

DJ-1104P Predator F-275 Cam

Welded and heat treated Dyno Cam for the Gen 1 & 3 Harbor Freight 212cc Predator engine. This cam has very aggressive ramps and requires an upgraded valve train package, billet rod, and...