The one on the left is a 16 ratio the other is a 17. A 171 rocker develops about 0500 inch lift with your cam.
Crane 44746 1 Sbf Roller Rocker Arm 1 7 Ratio 5 16in Bolt
1 7 roller rockers sbf. Show full signature 88 white 50 coupe aod eddy hds 17 rollers 70 mm maf 70 mm tb 410 gears. Rocker arms pro series stud mount full roller aluminum blue anodized 17 ratio fits 38 in. By moving the pushrod closer to the pivot point of the rocker the rockers ratio is increased. Stud chevy 348409 set of 16 not yet reviewed part number. Of note i really did not notice a seat of the pants improvement on my stock roller cam with 17 rockers. Pictured here are two comp aluminum rockers.
Comp cams 1431 kit magnum roller rocker arm kit includes 16 ratio rocker arm with 38 studs and pushrods for small block ford applications engine 50 out of 5 stars 3 25299 252. They are a great upgrade for any 1985 1995 mustang 50l or 58l engine with production style pedestal mounted rockers. Stud ford small block windsor set of 16 not yet reviewed part number. Crane cams rocker arms increase performance with the crane cams 17 roller rocker for 1985 1995 mustang 50l. These are the same crane full roller rocker arms used on the limited production 1993 95 mustang cobra. Actually increasing cam lift requires a higher ratio rocker.
Rocker arms stud mount full roller aluminum 17 ratio fits 38 in.
Gallery of 1 7 Roller Rockers Sbf
