Edelbrock #8551 Head Bolt Kit is for 1965-90 Big-Block Chevrolet 396-454 Mark IV Engines with Edelbrock #50459, 60459, 60479, 60499, 60559, 61459, 61559, 79539, & 79559 Performer & RPM Cylinder Heads. Not for Stock Heads.
The Edelbrock #8551 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate the need for valve train removal to facilitate cylinder head re-torqueing. Hardened and parallel-ground washers are included. Rated at 170,000 p.s.i.
Additional Attributes:
GTIN: 00085347085514 Finish: Black Oxide Grade Type: Performance Head Drive Type: Hex Length: (8) 2.19 in, (4) 3.95 in, (12) 4.19, (8) 5.25 Material: Chromoly Minimum Length: 2.19 Quantity: Kit RGL: WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov. Thread Diameter: 0.4375 Thread Type: Coarse Washers Included: Yes
Extended Information:
Emissions : Racing or Pre-Emissions Use Only Life Cycle Status: Available Only While Supplies Last
Packaging:
Quantity of Each: 1 Package UOM: EA Dimension: 9 x 4.5 x 2.5 inches Weight: 6.1 PG
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