The Best Automotive Replacement Short Engine Blocks of 2023

Brand New Southwest Speed Polished Billet Aluminum Crankshaft Pulley with 3 V-Belt Grooves that fits Small Block Chevy's with Short Water Pumps (SWS Part # 410-5903)

Southwest Speed crankshaft pulleys are CNC machined from forged 6061-T6 aluminum for the ultimate in strength and balance > Designed for use with v-groove style belts on Chevy engines, each pulley is polished to a mirror finish

Features| Billet Aluminum > Polished > 3 V-Belt Grooves >For Small Block Chevy's with Short water pumps > 6.443" O.D. >3 Bolt X 3 1/4" Bolt Circle, Bolt Holes are 2 3/4" Center to Center from each other >Center Line of 1st Belt is .335" from the front of the balancer >Center Line of 2nd Belt is .966" from the front of the balancer >Center Line of 3rd Belt is 1.584" from the front of the balancer >Total thickness front of balancer to end of pulley is 1.915" >Balancer Register is 1.247" O.D.

WHY USE A BILLET PULLEY?: > The benefit of a billet aluminum pulley over a cast pulley is equal density > With a cast pulley, the aluminum is poured into a mold and then allowed to cool > This process can create variations in density throughout the pulley > Dense areas are heavier than the more porous areas causing the pulley to vibrate at high RPM

Southwest Speed pulleys are equally dense throughout; equal weight translates to a true and balanced pulley drive system > *** NOTE: This listing is for the pulley only and does not include mounting hardware ***

Machine finish

6 Groove Serpentine Crank

Chevy Small Block

Short Water Pump

265-400 engines

Chevy small block OEM style chrome steel valve covers fit 1958-86 Chevy 283-305-327-350 small block engines.

They are baffled and short (OEM) style.

One cover has a single 1.25" breather hole, the other side has two holes (one 1.25" breather hole, and one hole for a twist-in cap.

Height: 2-5/8 ".

Chevy small block OEM style painted black steel valve covers fit 1958-86 Chevy 283-305-327-350 small block engines.

They are baffled and short (OEM) style.

One cover has a single 1.25" breather hole, the other side has two holes (one 1.25" breather hole, and one hole for a twist-in cap.

Height: 2-5/8 ".

Chevy Big block OEM style painted orange steel valve covers fit 1965-72 Chevy 396-427-454 big block engines.

They are baffled and short style.

Driver side has a recessed corner for corvettes or cars with power brakes.

Both covers have dripper rails.

Height: 2-1/4".

Chevy small block smooth polished aluminum valve covers fit 1958-86 Chevy 283-305-327-350-400 small block engines.

They are baffled and short (OEM) style.

There is one hole in each cover.

Height 2-9/16".

Chevy big block OEM style chrome steel valve covers fit 1965-72 Chevy 396-427-454 big block engines.

They are baffled short style.

Height: 2-5/8".

Brand New Southwest Speed Polished Billet Aluminum Water Pump Pulley with 2 V-Belt Grooves that fits Small Block Chevy's with Short Water Pumps (SWS Part # 410-5952)

Southwest Speed water pump pulleys are CNC machined from forged 6061-T6 aluminum for the ultimate in strength and balance > Designed for use with v-groove style belts on Chevy engines, each pulley is polished to a mirror finish > Billet pulley nose cones are sold separeately

Features: > Billet Aluminum > Polished, mirror finish > 2 V-Belt Grooves > For Small Block Chevy's with Short water pumps > 6.600" O.D. > Fan Bolt Pattern 4 Bolt X 1 3/4" Bolt Circle, w/5/8" Water Pump Hole > Pulley is .300" Thick at the water pump hub. > Front of Water Pump Hub to Center Line of 1st Belt is 1.719" > Front of Water Pump Hub to Center Line of 2nd Belt is 2.350" > Total Pulley Length is 3.000" > Designed to be used with 7/16" wide belts, but 15/32" or 1/2" will also work

WHY USE A BILLET PULLEY?: The benefit of a billet aluminum pulley over a cast pulley is equal density > With a cast pulley, the aluminum is poured into a mold and then allowed to cool > This process can create variations in density throughout the pulley > Dense areas are heavier than the more porous areas causing the pulley to vibrate at high RPM

Southwest Speed pulleys are equally dense throughout; equal weight translates to a true and balanced pulley drive system > *** NOTE: This listing is for the pulley only and does not include mounting hardware ***

Chevy small block short painted orange steel valve covers fit 1958-86 Chevy 283-305-327-350 small block engines.

They are baffled and short (OEM) style.

There is one hole in each cover.

Height: 2-5/8 ".

Brand New Genuine Echo SB1091 Short Block SRM280 PE280 PPT280 BRD280 PAS280 PPF280...

Genuine Echo Part # SB1091

Genuine OEM Echo Part