8.1 RHP/ Elgin Stage 1 Camshaft walbro 3L stock cams

3L stock cams

Aluminum diaphragm hat and hose fittings

These newly designed BTR lobes were developed in house and tested on our Spintron and Engine Dyno to achieve the highest overall power curve while also maintaining our strict valvetrain stability and durability standards

Plug type: EV6

but a higher stall will definitely improve performance

8.1 RHP/ Elgin Stage 1 Camshaft walbro 3L stock camsThe RHP Elgin Stage 1 8. 1L cam offers 25 30 hp and 25 30 lb ft of torque gains over the stock 8. 1L cam, while maintaining a near stock idle quality. Shown here compared to the very popular ZZ502 BBC cam (required firing order change), the RHP Elgin Stage 1 cam improved power below 3500 but lost out to the bigger cam above that rpm range. This test was run on a junkyard 8. 1L equipped with a ported stock intake manifold, 102 mm throttle body and dyno