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The head bolt boss heights have been changed in the Pontiac cylinder head to eliminate problems with cracking at the upper head bolt boss end for high-output applications
These are compatible with all stock components
BMR manufactures the ELK007s out of CNC-machined billet aluminum and heavy-duty steel hex bar stock
A 12" Capillary Tube And 1/2" Npt Mounting Nut Are Included
T3/GT30R Turbo Inlet Flange Gasket
10 Degree Superlock Steel Retainer Set of 16 for 1.500"-1.550" OD Valve Spring Heat Protection The head bolt boss heightsthese 10 degree retainers are designed specifically for 1. 500" 1. 550" O. D. valve springs.
US$ 157.50
US$ 160.00
US$ 45.00
US$ 45.00
US$ 85.00
