Ford 331/347 Performance Short Block - TREperformance.com
Ford 331/347 Performance Short Block
Long Blocks: There is a $200 charge to assemble anything else you buy from us to your short block. Please ask if you are interested in anything you don't see!
Crank: Scat brand cast steel 3.4" crankshaft for 347, 3.250" for 331 (balanced with the rest of the assembly to a 28oz imbalance).
Rods: 5140 forged I beam with arp bolts/capscrews
Bearings: Clevite P series ms590p main bearings, cb634p rod bearings, and sh510s cam bearings
Pistons: Probe SRS 2618-t6 high alloy lightweight forged pistons, Flat top (10.79:1 w/60cc). Dish for low compression or dome for high compression are available and priced in the options below
Rings: Mahle plasma moly.
331/347 Performance Short Block Options:
PAINT All exposed areas of the block painted the color of your choice $50
PISTONS Small dish or large dish for lower compression, or dome for high compression. $50
PISTON WRISTPINS Tool Steel wristpins (lighter and stronger). $200
4340 UPGRADE #1: 4340 Forged Steel Crank and 4340 Forged H beam connecting rods recommended for max 1000hp. $475
4340 UPGRADE #2: 4340 Forged Steel Crank and 4340 Forged light weight I beam connecting rods recommended for max 1000hp. $525
4340 UPGRADE #3: 4340 Forged Steel Crank and 4340 Forged ultra light weight I beam connecting rods (much lighter, and stronger than 5140 rods for fast reving) recommended for max 750hp. $575
CONNECTING RODS: 4340 Forged ultra light weight I beam rods (30 grams lighter, and much stronger than 5140 rod) recommended for n/a setups only. $250
BEARINGS: Clevite H series race rod/main bearings. $150
MAIN GIRDLE: Canton Racing 1/2" steel main girdle installed with ARP bolts. $225
FLEXPLATE: RPM SFI legal Steel Flexplate 157 or 164 tooth. $59
FLYWHEEL: SPEC SFI legal Billet Steel Flywheel. $233
FLYWHEEL: SPEC Lightweight SFI legal Billet Aluminum Flywheel. $332
BALANCER: SFI legal All Steel Harmonic Balancer. $159
BALANCER: Romac SFI high performance steel balancer. $299
BALANCER: Romac SFI lightweight steel/aluminum balancer. $329
REAR MAIN SEAL: Rear Main Seal installed in block. $25
- Item Requires Shipping
- 150.0 lbs.
- W36.0000” x H15.0000” x L15.0000”
- This item will require a special quote for shipping charges.
- All Short Block builds are charged the actual cost of shipping which is calculated and charged when you make your order.