Jan. 26, 2019

The NHRA Technical Department recently made changes to the blueprint specifications.

Chev 302 360 added COPO 2019

Chev 350 600 added COPO 2019

Chev 350 630 added COPO 2019

Chev 376 410 added COPO 2019

Chev 400 180/311 change to 400 180-315 GT/RWD

Chev 427 470 added COPO 2019

                             Chry 392 390 added Challenger 1320 2019

                             Chry 360 275 corrected valve size 09-10

                             Ford 302 335 added Cobra Jet 2019

                             Ford 315 585 added Cobra Jet 2019

                             Ford 327 595 added Cobra Jet 2019

                             Ford 351 570 added Cobra Jet 2019

GM 346 added AccuFab replacement throttle body C75-2 03-04