![The Perfect 8137-4000 383 Small Block Chevy Sx Series +4cc Dome Top Sbc 23 Degree Forged Piston Set 4.000 Inch Bore Pin Dia.: 0.927" Comp Height: 1.125" Up To 55% Off [Gnumx7P2]](https://cdn.shopify.com/s/files/1/0693/1090/6646/files/SBCSX-SHCHR.jpg?v=1742235792)
![The Perfect 8137-4000 383 Small Block Chevy Sx Series +4cc Dome Top Sbc 23 Degree Forged Piston Set 4.000 Inch Bore Pin Dia.: 0.927" Comp Height: 1.125" Up To 55% Off [Gnumx7P2]](https://cdn.shopify.com/s/files/1/0693/1090/6646/files/SX_aa62fcaa-c880-4155-98e0-6d27b4a1efa9.jpg?v=1742235792)
![The Perfect 8137-4000 383 Small Block Chevy Sx Series +4cc Dome Top Sbc 23 Degree Forged Piston Set 4.000 Inch Bore Pin Dia.: 0.927" Comp Height: 1.125" Up To 55% Off [Gnumx7P2]](https://cdn.shopify.com/s/files/1/0693/1090/6646/files/pistonbox_c2b6b3e9-7888-4c26-9a9e-f898bf60f6b2.jpg?v=1742235792)
![The Perfect 8137-4000 383 Small Block Chevy Sx Series +4cc Dome Top Sbc 23 Degree Forged Piston Set 4.000 Inch Bore Pin Dia.: 0.927" Comp Height: 1.125" Up To 55% Off [Gnumx7P2]](https://cdn.shopify.com/s/files/1/0693/1090/6646/files/kbox_069b10e8-b377-449e-8057-b3e2e45e9568.jpg?v=1742235792)
![The Perfect 8137-4000 383 Small Block Chevy Sx Series +4cc Dome Top Sbc 23 Degree Forged Piston Set 4.000 Inch Bore Pin Dia.: 0.927" Comp Height: 1.125" Up To 55% Off [Gnumx7P2]](https://cdn.shopify.com/s/files/1/0693/1090/6646/files/b4399078-3eb8-4482-bba6-89b4cf140d28_f5b1acaa-91c3-461f-8ad2-18e7567cfed4.jpg?v=1742235792)
The Perfect 8137-4000 383 Small Block Chevy Sx Series +4cc Dome Top Sbc 23 Degree Forged Piston Set 4.000 Inch Bore Pin Dia.: 0.927" Comp Height: 1.125" Up To 55% Off [Gnumx7P2]
$49.99
$159.99
-69%
377 Small Block Chevy, SX, Comp Height: 1.125, +4cc Dome Top, PIN: .927", Full Floating or Press Fit, Ring Groove: 1/16-1/16-3/16" , Stroke: 3.750", ROD: 6, Approx Comp Ratio: 58cc-13.4, 64cc-12.33, 70cc-11.4
Secure Shopping
100% Safe Guarantee
Free Shipping
On orders over $30
Money-Back
30-Day Guarantee
377 Small Block Chevy, SX, Comp Height: 1.125, +4cc Dome Top, PIN: .927", Full Floating or Press Fit, Ring Groove: 1/16-1/16-3/16" , Stroke: 3.750", ROD: 6, Approx Comp Ratio: 58cc-13.4, 64cc-12.33, 70cc-11.4
What Our Customers Say
Absolutely no complaints!
A really worthwhile investment.
- Louis C..
Absolutely no complaints!
The product quality is truly excellent.
- Eugene O..
Absolutely no complaints!
I'm impressed with the great quality.
- Roy K..
Write a Review
Thank you for your review! Your review is under moderation and will be published soon.
![JL Audio MMR-5N2K MediaMaster NMEA 2000 Volume Controller [010-03134-00]](https://cdn.shopify.com/s/files/1/0607/0671/7836/files/106277XL.jpg?v=1742503272)
![Garmin GT15M-THF 12 Degree 600W SS Thru-Hull Transducer [010-02868-01]](https://cdn.shopify.com/s/files/1/0513/2618/9750/files/102447XL.jpg?v=1703035378)
