327CI Build Sheet
Specifications not listed are the same as stock. Except as noted, all dimensions are in inches or fractions thereof. All prices sourced through JGM Performance Engineering and AFR.
| Displacement | 333 ci |
| Bore x Stroke | 4.040 x 3.250 |
| Compression | 11.52:1 |
| Rod center-to-center | 6.000 inches |
| Piston deck height | +0.005 |
| Chamber volume | 60 cc |
| Rod bearing clearance | 0.0022 |
| Crank endplay | 0.0060 |
| Piston ring endgap | 0.026 top, 0.020 second |
| Main bearing cap torque | 70 ft-lb (moly-lube) |
| Rod bolt torque | 65 ft-lb (moly-lube) |
| Head bolt torque | 70 ft-lb (moly-lube) |
| PRICE LIST |
| Ackerly & Childs | 9771-45 | gap-to-fit moly rings | $130 |
| AFR | 1095 | 195cc SBC Eliminator Comp cylinder heads | 2,079 |
| 8041 | 1.580-inch solid roller valve spring upgrade | 207 |
| 8508 | titanium retainers | 129 |
| ARP | 134-2501 | balancer bolt | 27 |
| 134-3703 | 12-point High Performance head bolts | 138 |
| 434-2101 | 12-point stainless intake bolts | 39 |
| 134-5402 | main studs | 52 |
| 134-7901 | oil pump drive shaft | 13 |
| Autolite | AR3910 | spark plugs | 40 |
| BEP | 70082 | front cover | 35 |
| Canton | 15-246 | SBC F-body RR Power Pan | 485 |
| 20-013 | SBC pickup 3/4-inch tube | 40 |
| Comp Cams | 12-773-8 | solid roller cam | 367 |
| 818-16 | solid roller lifters | 430 |
| 1105-16 | Hi-Tech stainless rocker arms | 480 |
| Eagle | S/R 6000SBLW | 6-inch I-beam rod | 299 |
| Engine Tech | CC400 | cam bearings | 17 |
| | EP155 oil pump, 3/4-inch pickup | 33 |
| Federal Mogul/Fel Pro | 1010 | 0.039-inch head gaskets (2) | 146 |
| 1206S-3 | intake gaskets | 33 |
| TCS45121 | front cover gaskets | 13 |
| 1880 | one-piece oil pan gasket | 43 |
| 138M 10 | race main bearings | 98 |
| 8 7065CH 10 | race rod bearings | 90 |
| 2912 | rear main seal | 31 |
| GM | N/A | stock replacement 327 balancer | 100 |
| 14011012 | water pump | 130 |
JGM Performance Engineering
(labor on 1964 327ci two-bolt main block) | thermal clean and magnaflux block | 108 |
| bore and hone block with dual-torque plates | 308 |
| align and hone main journals with ARP studs | 188 |
| regrind & micropolish factory steel small-journal crank | 134 |
| balance rotating assembly | 250 |
| custom blueprint and assemble long-block | 850 |
| dyno test and tune | 750 |
| KB Performance | KB155 +40 | pistons | 454 |
| Manley | 25716-16 | 5/16-inch, 0.080-inch wall pushrods (+0.200) | 180 |
| Moroso | 60461 | cam button | 18 |
| 93020 | valve cover gaskets | 62 |
| MSD Ignition | 83645 | digitial HEI Module | 182 |
| 8225 | HEI Coil | 117 |
| Pro Gear | PG4100-1TB | timing set, 1/2-inch pitch with Torrington bearing | 150 |
| Total | $9,475 |
| ADDITIONAL ITEMS |
| AED Performance | 950 HO Performance Carburetor | $700 |
| Slover Porting Service | fully ported Super Victor intake (porting only) | $450 |
| Sources |
Air Flow Research
Valencia, CA
877.892.8844
airflowresearch.com | JGM Performance Engineering
Valencia, CA
661.257.0101 |