I've been using these heads for about a year. In my setup they produce tons of power from 2400 to 5500 rpm. The motor design is the same: power stroke from 351w to 408, shaft ratio 1.5, compression 10.5:1, 449601 pickoff, roller cam, roller rocker arm. Manifold and dual 2.5" exhaust 2400 on a c6 in an 82 bronco with 35.
Synthetic engine oil LUKOIL Lux synthetic SN/CF 5W-40, 1 l, 1 kg, 1 pc.
35 Review
10Mm Drain Hose For Easy Oil Changes By RuggedMade
34 Review
Synthetic engine oil MOBIL 1 FS X1 5W-50, 4 l, 4 kg, 1 piece
14 Review
Magnetic Oil Drain Plug Bolt With Gasket Washer Seal Included - PitVisit Reusable Aluminum Plug (M14 X 1.5, Silver) For Optimal Engine Maintenance
17 Review