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