Holley LS Accessory Drive Bracket Kit LH for Power Steering & Alt RS004C1515 75" Bore Size - 5/16"

75" Bore Size - 5/16" Thick - For Models 4010/4150/4160

we recommend that they be mated to a Del West manufactured keeper

Kit includes 100cc precision glass buret

1/4 in NPT Female to 1/4 in NPT Male

42" (from engine block lifter valley cover flange)

Holley LS Accessory Drive Bracket Kit LH for Power Steering & Alt RS004C1515 75" Bore Size - 5/16"When using Bracket 20 155 w Long Truck Spacing, or 2010 and up Camaro Spacing (Requires the use of Spacer 21 4). ***For all LS Engine Swaps Please refer to your specific body style engine mount kits for additional modification and fitment requirements. Modular System Buy Brackets & Installation Kit or Complete Kits Fits Middle and Long Accessory Spacing Installation Kit 21 4 Required w Long Spacing P S Hardline Works w Most Type II P S Pumps (Sold