Street Terra
The best value rocker arm on the market today. Engineered to meet or exceed the needs of performance street and sportsman race applications.
Our vacuum die cast arm is designed and engineered for optimum strength without the costs associated with billet CNC machining. The Street Terra series utilises the extreme duty hardware from our premium Platinum race series - ensuring a lifetime of trouble free performance. Our easyfit (EF) kits are a cost effective alternative for factory stamped steel rocker arms, which can be installed within less than an hour without cylinder head removal and in most cases without machining.
Our wide range of true ratios allows you to achieve high lift without relying solely on your camshaft… a trend many engine builders and racers alike are adopting to relieve the inertia on lifters and pushrods generated by aggressive and often violent ramp rates required to make big lift.
Popular amongst standard rebuilds where OEM equipment is worn and or scarce, as well as mild street applications.
Why Choose Street Terra?
- Vaccuum die cast arms built to withstand 450lbs* max open spring pressure
- Oversize full-complement caged bearings designed for oscillating (rocking) loads, paired with oversize precision ground trunnions to reduce friction.
- Proven bolt-on shaft mount design that mounts both inlet/exhaust to common shaft, effectively increasing footprint and clamp load twofold without any further cylinder head modification.
- Various ratios available, catering for every camshaft grind. High ratios allow for additional lift on stock and aftermarket camshafts.
- Chrome moly steel hardened and ground roller tips of generous diameter (positively retained by internal circlip) preventing abrasion of valve tips and guides commonly seen with non-roller tip rockers. Allows for smoother, quieter operation. Maintains lash and reduces necessary and tedious engine maintenance.
Fitment Notes:
ST 2045 Street Terra Rockers are to suit Windsor Heads with the 3/8" x 5/16" Factory Stepped Studs. 3/8" Spacers are supplied in the kit which slide onto the Original Studs to support each pair of Roller Rockers. They are then secured with 5/16" nuts - also supplied
Tech Spec
| PART NO | ST 2045 |
| BRAND | STREET TERRA |
| APPLICATION | FACTORY REPLACEMENT/STREET |
| MAX OPEN SPRING PRESSURE |
450lbs |
| MAKE | FORD |
| ENGINE | V8 WINDSOR 302, 351 CARB ENGINES |
| MOUNTING STYLE | SHAFT MOUNT |
| ROCKER ARM RATIO | 1.6 |
| STUD SIZE | 3/8"x5/16" |
| ADJUSTABLE/HYDRAULIC | HYDRAULIC |
| ROCKER ARM STYLE | FULL ROLLER |
| ROCKER MATERIAL | ALUMINIUM |
| ROCKER ARM BODY STYLE | VACUUM DIE-CAST |
| ROCKER ARM NUT STYLE | CAP SCREW |
| MAX SPRING DIAMETER | 1.437" |
| INLET OFFSET | NO |
| QTY | SET OF 16 |
| NOTE | EASY FIT |
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Easy As
These roller rockers would have to be the simplest no fuss upgrade anyone can do for their engine. Highly recommended The staff are very helpful and can answer any questions you throw at them. Great work boys & girls
