Briggs May Have Discontinued These Blocks
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Briggs Raptor 4 Dual Bearing , Steel Bore Block
This block is the newest design, its brand new ..
No welding to reinforce lifter galley is needed with these new blocks.
This block has been completely BLUEPRINTED for WKA or IKF stock class rules
Below is the things done in our shop to make this the best performing block you can by anywhere.
* Align Bored * 2 Aftermarket Max id valve seats innstalled. * 2 Total Length Valve guides installed,
* Block deck is cut to your allowable rules. * Both In & Ex Ports have be cut and contoured per your class.
* Lifter bores chamfered. * Spring Pockets cut to stablilize the valve springs and enable proper valve float settings
NO other parts are included for $399.00 price tag.
But you can add.
** Blueprinted Valve set Sealed into your block, correct valve spring set for proper valve float, spring retainers also included..
** Piston Ass'y and Rings per your bore size.
** 2 Lifter Guides installed
If you want this setup then then purchase Part # BF-BPR4BlkProKit