Hydraulic Roller: 4-Pattern 293QIO8 - Excellent for street/strip Applications with good heads and raised compression in high RPM engines. 3200+ Stall.CatalogUser 1
Hydraulic Roller: 4-Pattern 281QIO8 - Great all around choice for street Applications in modified engines and 2500+ stall or manual transmissions.CatalogUser 1
Hydraulic Roller: 4-Pattern 269QIO8 - Best choice for smaller c.i.d. Applications with very good heads. Extremely wide power range. 1800+ Stall.CatalogUser 1
Street machine and limited high performance street use. Best with 4 speed or 2800+ stall and 3.40 to 4.10 gears, aftermarket intake and headers.CatalogUser...
Fits Ford Small Block Engines originally equipped with "Old" firing order and 351 Windsor engines with the "Windsor" firing order. For factory flat tappet...
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