Page 157 of Classic Pontiac GTO Catalog by Ames Performance Engineering

1-800-421-2637 157 N521 N520 N520 Valve Spring Set for N522 and N524 Camshafts (RP).......................................... 99.00/set N520N Valve Spring Set for N526 Camshaft (RP) 99.00/set N521 1964-77 Cylinder Head to Block Alignment Pin (GM) ................................................... 4.50/ea. 4 required per engine block. N510 1964-66 Pushrod, All Pontiac V-8 (RP)................... $3.00/ea. Note 1: Also fits 1967 326 and 400 2bbl. Note 2: Diameter: .315 Length: 8.694 N512 1967-77 Pushrod, All Pontiac V-8 exc. 1967 326, 1967 400 2BBl, RAII RAIV (RP) . 2.50/ea. Note: Diameter: .315 Length: 9.145 N514 1968 RAII Pushrod (RP)..................................... 3.50/ea. Note: Diameter: .340 Length: 9.137 Caution: Pushrod to guide hole interference may occur if N514 is used with non RAII heads. N516 1969-70 RAIV Pushrod (RP) ................................... 4.50/ea. Note: Diameter: .340 Length: 9.205 Caution: Pushrod to guide-hole interference may occur if N516 is used with non-RAIV heads. N518 N518 1967-77 Pushrod Guideplate, All Pontiac V8 exc. RAII, RAIV, and 301 (GM)............... 5.00/ea. Note: Requires 4 per car. With modification these will work for RAIV. Tabs need to be opened up and the grooves slotted. N517A N517A High Performance Chrome-Moly Pushrod Set (AP)....................................... 119.00/set These are chrome-moly 1-piece 5/16 diameter performance pushrods. Length: 9.136 N521A 1964-77 Head Gasket, 2 Required, All Pontiac V8 (RP)...................................................... $16.00/ea. N521B N521B 1968-77 Heavy Duty Head Bolt Set, All 350-455 Exc. RA IV 455-HO (RE)...................... 95.00/set N521C 1968-74 Head Bolt Set, RA II IV, 455HO 455SD (AP)............................. 99.00/set N521E Head Bolt Set, For Edelbrock Aluminum Heads (AP)............................. 129.00/set N521B through N531E do include stud bolts. Bolt head markings and appearance differ from originals. N521A HEAD GASKETS BOLTS CRANE CAMSHAFTS A variety of cams is available for hundreds of different piston, head and valve train combinations, but we concentrate on factory specifications. Our cams have stock duration, lift, overlap, and profiles for your original engine configuration and are all supplied by Crane, Sealed Power, and Edelbrock the nations leaders in cam technology. Stock cams can also enhance performance. Please refer to the description of each shaft for your particular needs. N522 Hydraulic Camshaft, OEM Replacement for GM 9779066 (RP) ................................ 102.00/ea. This camshaft replaces the standard horsepower workhorse cams from 1964 to 1976. The actual grind is a blueprint of the 9779066 (since the 067 is almost identical, we recommend the 066 in those applications). Crane no longer offers this cam; we have changed to Sealed Power as our supplier. For lifters, see N530. Performance Note: N522 can be used in 326, 350, and low compression 400 engines if a modest performance increase is desired. N524 Hydraulic Camshaft, OEM Replacement for GM 9779068 (RP) ................................ 149.00/ea. This is an exact profile for some of the finest stock street engines Pontiac ever engineered (1967-68 HO, 1968 Ram Air I, 1969-70 RA III, 1971-72 455 HO etc.). For lifters, see N530. Performance note: Certainly the best for exact restoration, but also our choice for those individuals seeking horsepower increases from standard horsepower engines. Camshafts continue on next page.

[close]