Direct Replacement.
Meet or exceed OEM quality.
Strict quality control standards to Build and test.
Pulley features:
Water Pump Pulley:
Pulley Diameter is 6 9/16"
Pulley is 3" Tall
Bolt Pattern is 2 1/8"
Center hole is 5/8"
Belt Type: V-Belt
Double Groove
Machined From Billet Aluminium
Deep grooves to prevent belt from slipping​

Crankshaft Pulley:
Three Grooves
Pulley Diameter is 6 9/16"
Pulley is 2 7/8" Tall
Bolt Pattern is 2 3/4"
Center hole is 1 1/8"
Belt Type: V-Belt
Machined From Billet Aluminium
These Feature deep grooves to prevent belt from slipping​

Power Steering Pump Pulley:
Double grooves
Machined from billet aluminum
Diameter is 5 3/4"
The shaft is 5/8" standard
These feature deep grooves to prevent belts from slipping
Compatible with all GM key way saginaw style power steering pumps

Fit:
Compatible with any SBC Chevy Engine using a LONG water pump
Compatible with SBC Chevy 265 283 305 327 350 383 400 V8 Engines and so on.

Features：
Easy install
Simple operation
Package Include:
1x 2 Grooves Water Pump Pulley
1x 3 Grooves Crank Pulley
1x 2 Grooves Power Steering Pulley
As the pictures show

Product Information:
Type: Water Pump Pulley & Crank Pulley Kit
Groove: Triple Groove & Double Grooves
MPN: BPHJ771-2SET-SBC-LWP
Surface finish: Polished
Material: Aluminum