Ford 331/347 Performance Short Block - TREperformance.com
Ford 331/347 Performance Short Block
Long Blocks: There is NO EXTRA CHARGE to assemble anything else you buy from us to your short block. We DO NOT install customer supplied parts. NO EXCEPTIONS. 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:
PISTONS Small dish or large dish for lower compression, or dome for high compression. $50
PISTON WRISTPINS Tool Steel wristpins (lighter and stronger). $150
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. $129
BALANCER: Romac SFI high performance steel balancer. $339
BALANCER: Romac SFI lightweight steel/aluminum balancer. $359
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.