Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard HELMET-BAG-XL Lexus GX470 / Toyota 4Runner

Lexus GX470 / Toyota 4Runner / FJ Cruiser 2003-09

adjustable from 3-15 PSI

easy adjustments from outside of the car

The new Super Victor intake manifold #2887 is capable of airflow demands of 750+ hp on naturally aspirated engines

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard HELMET-BAG-XL Lexus GX470 / Toyota 4RunnerHastings racing piston rings deliver race winning performance in even the most extreme applications. The low tension, low friction design provides unsurpassed combustion seating and exceptional sealing. Each set includes plasma moly, high tensile cast iron top rings; reverse twist, taper faced cast iron second rings, and choice of standard or low tension Flex Vent stainless steel oil control rings. Low tension oil rings make significant increases in