Clevite CB663HN H Series Connecting Rod Bearing Set for GM Chevrolet Small Block and LS Engines 4.8L 5.3L 5.7L 6.0L 6.2LClevite H Series rod bearings were primarily developed for NASCAR racing, but are well suited to other types of competition engines. They're especially good for engines that run at medium to high revs. They have hardened steel backings with thin overlays and a high crush factor, plus a medium level of eccentricity. H Series bearings have enlarged chamfers at the sides for greater crank fillet clearance and are made without flash plating for better

8 Rockers)

Works with Windage Tray:No

These Pro series cylinder head bolts from ARP are cold-forged to ensure molecular integrity

Lobe Separation: 113

M" 16V Windsor 4

Notes: Designed for use with CCA-26915 or CCA-26918 valve springs on Gen III engines

050" 206 int/212 exh

Fits 10lb and 15lb Bottles

Chevy 350 5

Very Rough Idle

not stock regrinds

Comes w/ inline adapter for -4AN delivery lines