Thumpr Retro - Fit Hydraulic Roller Camshaft - 299THR7 CO12-602-8 B16 They are rough machined from

They are rough machined from certified AISI 4340 forgings to our tolerances

chrome plated and black electrolysis

90° NPT to Male Flare Adapter 1/2" to -10ANBlack Finish

Replacement Black HEI coil

WAVE-LOC HIGH PERFORMANCE BOLTS The same heat-treated 8740 chrome moly steel is used to make these rod bolts as ARP's standard High Performance rod bolts

Thumpr Retro - Fit Hydraulic Roller Camshaft - 299THR7 CO12-602-8 B16 They are rough machined fromThumpr Retro Fit Hydraulic Roller Camshaft 299THR7Suit Small Block Chevy 1955 98 CO12 602 8 12 602 8 RPM operating range 2500 6200 Duration advertised Inlet 299, Exh 319 Duration advertised @ . 050" Inlet 243, Exh 257 Valve lift with 1. 5 rocker Inlet . 533", Exh . 519" Lobe separation angle 107