292 CLIFFORD INTAKE UPGRADE 292 Turbo Heads
The 292 turbo heads are a good performance head? Will they be too much for my mild 350 engine? 9.5 compression, mild cam. sportsman2 vs 340292 turbo heads - Don Terrill's Speed-Talk Only The Beginning We've pushed the Duramax L5P and many other engines over 1000 hp on stock internals and stock head bolts. Gale Banks M311BM the Perfect Affordable Performance LS Head ...